Technician Class Question Pool Back to Pro Radio Scanner Home * To obtain a copy of the graphics references that are to be used with this question pool, send a business sized SASE to the ARRL/VEC, 225 Main St, Newington CT 06111. Request the "2000 Technician class Question Pool Graphics". For $1.50 the ARRL VEC will supply a hardcopy of this pool and graphics without receiving an SASE. * The questions contained within this pool must be used in all Technician examinations beginning April 15, 2000, and is intended to be used up through June 30, 2003. * The correct answer position A,B,C,D appears in parenthesis following each question number [eg, in T1A01 (B), position B contains the correct answer text]. Question Pool ELEMENT 2 - TECHNICIAN CLASS as released by Question Pool Committee National Conference of Volunteer Examiner Coordinators February 1, 2000 SUBELEMENT T1 -- COMMISSION'S RULES [9 Exam Questions -- 9 Groups] T1A Basis and purpose of amateur service and definitions; Station /Operator license; classes of US amateur licenses, including basic differences; privileges of the various license classes; term of licenses; grace periods; modifications of licenses; current mailing address on file with FCC T1A01 @N1A02 (B) [97]Who makes and enforces the rules and regulations of the amateur service in the US?A. The Congress of the United StatesB. The Federal Communications Commission (FCC)C. The Volunteer Examiner Coordinators (VECs)D. The Federal Bureau of Investigation (FBI) T1A02 @N1A06 (D) [97.1]What are two of the five purposes for the amateur service?A. To protect historical radio data, and help the public understand radio historyB. To help foreign countries improve communication and technical skills, and encourage visits from foreign hamsC. To modernize radio schematic drawings, and increase the pool of electrical drafting peopleD. To increase the number of trained radio operators and electronics experts, and improve international goodwill T1A03 @N1A09 (D) [97.3a5]*Modified C from Educational ReviewWhat is the definition of an amateur station?A. A station in a public radio service used for radiocommunicationsB. A station using radiocommunications for a commercial purposeC. A station using equipment for training new broadcast operators and techniciansD. A station in the Amateur Radio service used for radiocommunications T1A04 @N1A10 (C) [97.3a12]What is the definition of a control operator of an amateur station?A. Anyone who operates the controls of the stationB. Anyone who is responsible for the station's equipmentC. Any licensed amateur operator who is responsible for the station's transmissionsD. The amateur operator with the highest class of license who is near the controls of the station T1A05 @N1B03 (C) [97.5a] *Modified B for Form 605Which of the following is required before you can operate an amateur station in the US?A. You must hold an FCC operator's training permit for a licensed radio stationB. You must submit an FCC Form 605 together with a license examination feeC. The FCC must grant you an amateur operator/primary station licenseD. The FCC must issue you a Certificate of Successful Completion of Amateur Training T1A06 @N1B06 (A) [97.9a] What must happen before you are allowed to operate an amateur station?A. The FCC database must show that you have been granted an amateur licenseB. You must have written authorization from the FCCC. You must have written authorization from a Volunteer Examiner CoordinatorD. You must have a copy of the FCC Rules, Part 97, at your station location T1A07 @N1B10 (D) [97.9a] *Modified Q, A, B, C, D for Rules changesWhat are the US amateur operator licenses that a new amateur might earn?A. Novice, Technician, General, Advanced B. Technician, Technician Plus, General, Advanced C. Novice, Technician, General, AdvancedD. Technician, Technician with Morse code, General, Amateur Extra T1A08 @N1D12 (C) [97.5a] How soon after you pass the elements required for your first Amateur Radio license may you transmit?A. ImmediatelyB. 30 days after the test dateC. As soon as the FCC grants you a licenseD. As soon as you receive your license from the FCC T1A09 @N1D11 (A) [97.21a3i] *Modified Q for form 605 and ULSHow soon before the expiration date of your license should you send the FCC a completed Form 605 or file with the Universal Licensing System on the World Wide Web for a renewal?A. No more than 90 daysB. No more than 30 daysC. Within 6 to 9 monthsD. Within 6 months to a year T1A10 @T1A10 (C) [97.25a] What is the normal term for which a new amateur station license is granted?A. 5 yearsB. 7 yearsC. 10 yearsD. For the lifetime of the licensee T1A11 @T1A11 (A) [97.21b]What is the "grace period" during which the FCC will renew an expired 10-year license?A. 2 yearsB. 5 yearsC. 10 yearsD. There is no grace period T1A12 @N1D06 (B) [97.23b]What is one way you may notify the FCC if your mailing address changes?A. Fill out an FCC Form 605 using your new address, attach a copy of your license, and mail it to your local FCC Field OfficeB. Fill out an FCC Form 605 using your new address, attach a copy of your license, and mail it to the FCC office in Gettysburg, PA C. Call your local FCC Field Office and give them your new address over the phone or e-mail this information to the local Field OfficeD. Call the FCC office in Gettysburg, PA, and give them your new address over the phone or e-mail this information the FCC T1B Frequency privileges authorized to the Technician control operator (VHF/UHF and HF) T1B01 @New (B) [97.301a] What are the frequency limits of the 6-meter band in ITU Region 2?A. 52.0 - 54.5 MHzB. 50.0 - 54.0 MHzC. 50.1 - 52.1 MHzD. 50.0 - 56.0 MHz T1B02 @New (B) [97.301a] What are the frequency limits of the 2-meter band in ITU Region 2?A. 145.0 - 150.5 MHzB. 144.0 - 148.0 MHzC. 144.1 - 146.5 MHzD. 144.0 - 146.0 MHz T1B03 @N1C05 (B) [97.301f] *Modified Q for Rules changes (deleted Novice from Q)What are the frequency limits of the 1.25-meter band in ITU Region 2?A. 225.0 - 230.5 MHzB. 222.0 - 225.0 MHzC. 224.1 - 225.1 MHzD. 220.0 - 226.0 MHz T1B04 @New (C) [97.301a] What are the frequency limits of the 70-centimeter band in ITU Region 2?A. 430.0 - 440.0 MHzB. 430.0 - 450.0 MHzC. 420.0 - 450.0 MHzD. 432.0 - 435.0 MHz T1B05 @New (D) [97.301a]What are the frequency limits of the 33-centimeter band in ITU Region 2?A. 903 - 927 MHzB. 905 - 925 MHzC. 900 - 930 MHzD. 902 - 928 MHz T1B06 @N1C06 (B) [97.301a]*Modified Q answer key for Rules changes (deleted Novice from Q and changed answer key correct answer)What are the frequency limits of the 23-centimeter band?A. 1260 - 1270 MHzB. 1240 - 1300 MHzC. 1270 - 1295 MHzD. 1240 - 1246 MHz T1B07 @New (A) [97.301a]What are the frequency limits of the 13-centimeter band in ITU Region 2?A. 2300 - 2310 MHz and 2390 - 2450 MHzB. 2300 - 2350 MHz and 2400 - 2450 MHzC. 2350 - 2380 MHz and 2390 - 2450 MHzD. 2300 - 2350 MHz and 2380 - 2450 MHz T1B08 @N1C01 (B) [97.301e]*Modified Q for Rules changesWhat are the frequency limits of the 80-meter band for Technician class licensees who have passed a Morse code exam?A. 3500 - 4000 kHzB. 3675 - 3725 kHzC. 7100 - 7150 kHzD. 7000 - 7300 kHz T1B09 @N1C02 (C) [97.301e]What are the frequency limits of the 40-meter band in ITU Region 2 for Technician class licensees who have passed a Morse code exam?A. 3500 - 4000 kHzB. 3700 - 3750 kHzC. 7100 - 7150 kHzD. 7000 - 7300 kHz T1B10 @N1C03 (A) [97.301e]What are the frequency limits of the 15-meter band for Technician class licensees who have passed a Morse code exam?A. 21.100 - 21.200 MHzB. 21.000 - 21.450 MHzC. 28.000 - 29.700 MHzD. 28.100 - 28.200 MHz T1B11 @N1C04 (C) [97.301e]What are the frequency limits of the 10-meter band for Technician class licensees who have passed a Morse code exam?A. 28.000 - 28.500 MHzB. 28.100 - 29.500 MHzC. 28.100 - 28.500 MHzD. 29.100 - 29.500 MHz T1B12 @T1A09 (C) [97.9b] *Modified Q, C for Rules changesIf you are a Technician licensee who has passed a Morse code exam, what is one document you can use to prove that you are authorized to use certain amateur frequencies below 30 MHz?A. A certificate from the FCC showing that you have notified them that you will be using the HF bandsB. A certificate showing that you have attended a class in HF communicationsC. A Certificate of Successful Completion of Examination showing that you have passed a Morse code examD. No special proof is required T1C Emission privileges authorized to the Technician control operator (VHF/UHF and HF) T1C01 @T1B01 (D) [97.305c] *Modified Q for Rules changesOn what HF band may a Technician licensee use FM phone emission?A. 10 metersB. 15 metersC. 75 metersD. None T1C02 @T1B03 (B) [97.305c]On what frequencies within the 6-meter band may phone emissions be transmitted?A. 50.0 - 54.0 MHz onlyB. 50.1 - 54.0 MHz onlyC. 51.0 - 54.0 MHz onlyD. 52.0 - 54.0 MHz only T1C03 @T1B04 (A) [97.305c]On what frequencies within the 2-meter band may image emissions be transmitted?A. 144.1 - 148.0 MHz onlyB. 146.0 - 148.0 MHz onlyC. 144.0 - 148.0 MHz onlyD. 146.0 - 147.0 MHz only T1C04 @T1B05 (D) [97.305c]What frequencies within the 2-meter band are reserved exclusively for CW operations?A. 146 - 147 MHzB. 146.0 - 146.1 MHzC. 145 - 148 MHzD. 144.0 - 144.1 MHz T1C05 @N1E01 (A) [97.305, 97.307f9]*Modified Q for Rules changesWhat emission types are Technician control operators who have passed a Morse code exam allowed to use in the 80-meter band?A. CW onlyB. Data onlyC. RTTY onlyD. Phone only T1C06 @N1E05 (D) [97.305, 97.307f9]*Modified Q for Rules changesWhat emission types are Technician control operators who have passed a Morse code exam allowed to use from 7100 to 7150 kHz in ITU Region 2?A. CW and dataB. PhoneC. Data onlyD. CW only T1C07 @N1E07 (C) [97.305]*Modified Q for Rules changesWhat emission types are Technician control operators who have passed a Morse code exam allowed to use on frequencies from 28.1 to 28.3 MHz?A. All authorized amateur emission privilegesB. Data or phoneC. CW, RTTY and dataD. CW and phone T1C08 @N1E08 (C) [97.305, 97.307f10]*Modified Q for Rules changesWhat emission types are Technician control operators who have passed a Morse code exam allowed to use on frequencies from 28.3 to 28.5 MHz?A. All authorized amateur emission privilegesB. CW and dataC. CW and single-sideband phoneD. Data and phone T1C09 @N1E09 (D) [97.305]*Modified Q for Rules changesWhat emission types are Technician control operators allowed to use on the amateur 1.25-meter band in ITU Region 2?A. Only CW and phoneB. Only CW and dataC. Only data and phoneD. All amateur emission privileges authorized for use on the band T1C10 @N1E10 (D) [97.305]*Modified Q for Rules changesWhat emission types are Technician control operators allowed to use on the amateur 23-centimeter band?A. Only data and phoneB. Only CW and dataC. Only CW and phoneD. All amateur emission privileges authorized for use on the band T1C11 @New (C) [97.305c]On what frequencies within the 70-centimeter band in ITU Region 2 may image emissions be transmitted?A. 420.0 - 420.1 MHz onlyB. 430.0 - 440.0 MHz onlyC. 420.0 - 450.0 MHz onlyD. 440.0 - 450.0 MHz only T1D Responsibility of licensee; station control; control operator requirements; station identification; points of communication and operation; business communications T1D01 @T1A01 (D) [97.3a13]What is the control point of an amateur station?A. The on/off switch of the transmitterB. The input/output port of a packet controllerC. The variable frequency oscillator of a transmitterD. The location at which the control operator function is performed T1D02 @N1G02 (C) [97.103a]Who is responsible for the proper operation of an amateur station?A. Only the control operatorB. Only the station licenseeC. Both the control operator and the station licenseeD. The person who owns the station equipment T1D03 @N1G04 (D) [97.103a]What is your responsibility as a station licensee?A. You must allow another amateur to operate your station upon requestB. You must be present whenever the station is operatedC. You must notify the FCC if another amateur acts as the control operatorD. You are responsible for the proper operation of the station in accordance with the FCC rules T1D04 @N1G05 (C) [97.103b]Who may be the control operator of an amateur station?A. Any person over 21 years of ageB. Any person over 21 years of age with a General class license or higherC. Any licensed amateur chosen by the station licenseeD. Any licensed amateur with a Technician class license or higher T1D05 @N1G08 (B) [97.105b]If you are the control operator at the station of another amateur who has a higher class license than yours, what operating privileges are you allowed?A. Any privileges allowed by the higher licenseB. Only the privileges allowed by your licenseC. All the emission privileges of the higher license, but only the frequency privileges of your licenseD. All the frequency privileges of the higher license, but only the emission privileges of your license T1D06 @N1G10 (A) [97.109b]*Modified Q for Rules changesWhen an amateur station is transmitting, where must its control operator be?A. At the station's control pointB. Anywhere in the same building as the transmitterC. At the station's entrance, to control entry to the roomD. Anywhere within 50 km of the station location T1D07 @N1H01 (C) [97.119a]How often must an amateur station be identified?A. At the beginning of a contact and at least every ten minutes after thatB. At least once during each transmissionC. At least every ten minutes during and at the end of a contactD. At the beginning and end of each transmission T1D08 @N1H03 (A) [97.119a]What identification, if any, is required when two amateur stations begin communications?A. No identification is requiredB. One of the stations must give both stations' call signsC. Each station must transmit its own call signD. Both stations must transmit both call signs T1D09 @N1H04 (C) [97.119a]What identification, if any, is required when two amateur stations end communications?A. No identification is requiredB. One of the stations must transmit both stations' call signsC. Each station must transmit its own call signD. Both stations must transmit both call signs T1D10 @N1H06 (B) [97.119a] What is the longest period of time an amateur station can operate without transmitting its call sign?A. 5 minutesB. 10 minutesC. 15 minutesD. 30 minutes T1D11 @T1C12 (A) [97.305a] What emission type may always be used for station identification, regardless of the transmitting frequency?A. CWB. RTTYC. MCWD. Phone T1D12 @T1C16 (C) [97.119e] If you are a Technician licensee with a Certificate of Successful Completion of Examination (CSCE) for a Morse code exam, how should you identify your station when transmitting on the 10 meter band?A. You must give your call sign followed by the words "plus plus"B. You must give your call sign followed by the words "temporary plus"C. No special form of identification is neededD. You must give your call sign and the location of the VE examination where you obtained the CSCE T1E Third-party communication; authorized and prohibited transmissions; permissible one-way communication T1E01 @T1E07 (D) [97.11a2]What kind of payment is allowed for third-party messages sent by an amateur station?A. Any amount agreed upon in advanceB. Donation of repairs to amateur equipmentC. Donation of amateur equipmentD. No payment of any kind is allowed T1E02 @N1I08 (A) [97.3a44]What is the definition of third-party communications?A. A message sent between two amateur stations for someone elseB. Public service communications for a political partyC. Any messages sent by amateur stationsD. A three-minute transmission to another amateur T1E03 @N1I09 (B) [97.3a44]What is a "third party" in amateur communications?A. An amateur station that breaks in to talkB. A person who is sent a message by amateur communications other than a control operator who handles the messageC. A shortwave listener who monitors amateur communicationsD. An unlicensed control operator T1E04 @T1E08 (D) [97.115a2]When are third-party messages allowed to be sent to a foreign country?A. When sent by agreement of both control operatorsB. When the third party speaks to a relativeC. They are not allowed under any circumstancesD. When the US has a third-party agreement with the foreign country or the third party is qualified to be a control operator T1E05 @T1E09 (A) [97.115b1]If you let an unlicensed third party use your amateur station, what must you do at your station's control point?A. You must continuously monitor and supervise the third-party's participationB. You must monitor and supervise the communication only if contacts are made in countries that have no third-party communications agreement with the USC. You must monitor and supervise the communication only if contacts are made on frequencies below 30 MHzD. You must key the transmitter and make the station identification T1E06 @N1H05 (B) [97.115c]Besides normal identification, what else must a US station do when sending third-party communications internationally?A. The US station must transmit its own call sign at the beginning of each communication, and at least every ten minutes after thatB. The US station must transmit both call signs at the end of each communicationC. The US station must transmit its own call sign at the beginning of each communication, and at least every five minutes after thatD. Each station must transmit its own call sign at the end of each transmission, and at least every five minutes after that T1E07 @N1I05 (A) [97.113b]When is an amateur allowed to broadcast information to the general public?A. NeverB. Only when the operator is being paidC. Only when broadcasts last less than 1 hourD. Only when broadcasts last longer than 15 minutes T1E08 @N1I06 (A) [97.113a4, 97.113e] When is an amateur station permitted to transmit music?A. Never, except incidental music during authorized rebroadcasts of space shuttle communicationsB. Only if the transmitted music produces no spurious emissionsC. Only if it is used to jam an illegal transmissionD. Only if it is above 1280 MHz, and the music is a live performance T1E09 @N1I07 (C) [97.113a4] When is the use of codes or ciphers allowed to hide the meaning of an amateur message?A. Only during contestsB. Only during nationally declared emergenciesC. Never, except when special requirements are metD. Only on frequencies above 1280 MHz T1E10 @T1E04 (B) [97.3a10, 97.113b]Which of the following one-way communications may not be transmitted in the amateur service?A. Telecommands to model craftB. Broadcasts intended for the general publicC. Brief transmissions to make adjustments to the stationD. Morse code practice T1E11 @N1I10 (A) [97.115a2]If you are allowing a non-amateur friend to use your station to talk to someone in the US, and a foreign station breaks in to talk to your friend, what should you do?A. Have your friend wait until you find out if the US has a third-party agreement with the foreign station's governmentB. Stop all discussions and quickly sign offC. Since you can talk to any foreign amateurs, your friend may keep talking as long as you are the control operatorD. Report the incident to the foreign amateur's government T1E12 @N1I11 (D) [97.115a2]When are you allowed to transmit a message to a station in a foreign country for a third party?A. AnytimeB. NeverC. Anytime, unless there is a third-party agreement between the US and the foreign governmentD. If there is a third-party agreement with the US government, or if the third party is eligible to be the control operator T1F Frequency selection and sharing; transmitter power; digital communications T1F01 @T1B06 (C) [97.303]If the FCC rules say that the amateur service is a secondary user of a frequency band, and another service is a primary user, what does this mean?A. Nothing special; all users of a frequency band have equal rights to operateB. Amateurs are only allowed to use the frequency band during emergenciesC. Amateurs are allowed to use the frequency band only if they do not cause harmful interference to primary usersD. Amateurs must increase transmitter power to overcome any interference caused by primary users T1F02 @T1B08 (C) [97.101b]What rule applies if two amateur stations want to use the same frequency?A. The station operator with a lesser class of license must yield the frequency to a higher-class licenseeB. The station operator with a lower power output must yield the frequency to the station with a higher power outputC. Both station operators have an equal right to operate on the frequencyD. Station operators in ITU Regions 1 and 3 must yield the frequency to stations in ITU Region 2 T1F03 @T1B09 (A) [97.205c] *Modified Q from Educational ReviewIf a repeater is causing harmful interference to another repeater and a frequency coordinator has recommended the operation of one repeater only, who is responsible for resolving the interference?A. The licensee of the unrecommended repeaterB. Both repeater licenseesC. The licensee of the recommended repeaterD. The frequency coordinator T1F04 @T1B10 (D) [97.205c] *Modified Q from Educational ReviewIf a repeater is causing harmful interference to another amateur repeater and a frequency coordinator has recommended the operation of both repeaters, who is responsible for resolving the interference? A. The licensee of the repeater that has been recommended for the longest period of timeB. The licensee of the repeater that has been recommended the most recentlyC. The frequency coordinatorD. Both repeater licensees T1F05 @T1B12 (D) [97.3b6]What is the term for the average power supplied to an antenna transmission line during one RF cycle at the crest of the modulation envelope?A. Peak transmitter powerB. Peak output powerC. Average radio-frequency powerD. Peak envelope power T1F06 @T1B13 (D) [97.313b]What is the maximum transmitting power permitted an amateur station on 146.52 MHz?A. 200 watts PEP outputB. 500 watts ERPC. 1000 watts DC inputD. 1500 watts PEP output T1F07 @N1F09 (A) [97.313c]*Modified Q for Rules changesOn which band(s) may a Technician licensee who has passed a Morse code exam use up to 200 watts PEP output power?A. 80, 40, 15, and 10 metersB. 80, 40, 20, and 10 metersC. 1.25 metersD. 23 centimeters T1F08 @N1F01 (D) [97.313a]What amount of transmitter power must amateur stations use at all times?A. 25 watts PEP outputB. 250 watts PEP outputC. 1500 watts PEP outputD. The minimum legal power necessary to communicate T1F09 @N1F13 (C) [97.3c2] What name does the FCC use for telemetry, telecommand or computer communications emissions?A. CWB. ImageC. DataD. RTTY T1F10 @N1F14 (D) [97.3c7] What name does the FCC use for narrow-band direct-printing telegraphy emissions?A. CWB. ImageC. MCWD. RTTY T1F11 @T1C04 (C) [97.307f5]What is the maximum symbol rate permitted for packet transmissions on the 2-meter band?A. 300 baudsB. 1200 baudsC. 19.6 kilobaudsD. 56 kilobauds T1F12 @T1C06 (B) [97.307f5] What is the maximum symbol rate permitted for RTTY or data transmissions on the 6- and 2-meter bands?A. 56 kilobaudsB. 19.6 kilobaudsC. 1200 baudsD. 300 bauds T1G Satellite and space communications; false signals or unidentified communications; malicious interference T1G01 @N1I02 (C) [97.3a38]*Modified D to say International Space Station instead of space shuttles.What is an amateur space station?A. An amateur station operated on an unused frequencyB. An amateur station awaiting its new call letters from the FCCC. An amateur station located more than 50 kilometers above the Earth's surfaceD. An amateur station that communicates with the International Space Station T1G02 @N1I03 (B) [97.207a]Who may be the licensee of an amateur space station?A. An amateur holding an Amateur Extra class operator licenseB. Any licensed amateur operatorC. Anyone designated by the commander of the spacecraftD. No one unless specifically authorized by the government T1G03 @T1E05 (A) [97.209b2] Which band may NOT be used by Earth stations for satellite communications?A. 6 metersB. 2 metersC. 70 centimetersD. 23 centimeters T1G04 @N1J01 (A) [97.113a4]When may false or deceptive amateur signals or communications be transmitted?A. NeverB. When operating a beacon transmitter in a "fox hunt" exerciseC. When playing a harmless "practical joke"D. When you need to hide the meaning of a message for secrecy T1G05 @N1J02 (C) [97.113a4]If an amateur pretends there is an emergency and transmits the word "MAYDAY," what is this called?A. A traditional greeting in MayB. An emergency test transmissionC. False or deceptive signalsD. Nothing special; "MAYDAY" has no meaning in an emergency T1G06 @N1J07 (C) [97.119a]When may an amateur transmit unidentified communications?A. Only for brief tests not meant as messagesB. Only if it does not interfere with othersC. Never, except transmissions from a space station or to control a model craftD. Only for two-way or third-party communications T1G07 @N1J08 (A) [97.119a]What is an amateur communication called that does not have the required station identification?A. Unidentified communications or signalsB. Reluctance modulationC. Test emissionD. Tactical communication T1G08 @N1J10 (C) [97.119a] If an amateur transmits to test access to a repeater without giving any station identification, what type of communication is this called?A. A test emission; no identification is requiredB. An illegal unmodulated transmissionC. An illegal unidentified transmissionD. A non-communication; no voice is transmitted T1G09 @N1J06 (C) [97.101d]When may you deliberately interfere with another station's communications?A. Only if the station is operating illegallyB. Only if the station begins transmitting on a frequency you are usingC. NeverD. You may expect, and cause, deliberate interference because it can't be helped during crowded band conditions T1G10 @N1J11 (B) [97.3a22] If an amateur repeatedly transmits on a frequency already occupied by a group of amateurs in a net operation, what type of interference is this called?A. Break-in interferenceB. Harmful or malicious interferenceC. Incidental interferenceD. Intermittent interference T1G11 @N1J03 (B) [97.3a22]What is a transmission called that disturbs other communications?A. Interrupted CWB. Harmful interferenceC. Transponder signalsD. Unidentified transmissions T1H Correct language; phonetics; beacons; radio control of model craft and vehicles T1H01 @T1D01 (C) [97.119b2] If you are using a language besides English to make a contact, what language must you use when identifying your station?A. The language being used for the contactB. The language being used for the contact, provided the US has a third-party communications agreement with that countryC. EnglishD. Any language of a country that is a member of the International Telecommunication Union T1H02 @T1D03 (C) [97.119b2]What do the FCC Rules suggest you use as an aid for correct station identification when using phone?A. A speech compressorB. Q signalsC. A phonetic alphabetD. Unique words of your choice T1H03 @T1D04 (A) [97.119b2] What is the advantage in using the International Telecommunication Union (ITU) phonetic alphabet when identifying your station?A. The words are internationally recognized substitutes for lettersB. There is no advantageC. The words have been chosen to be easily pronounced by Asian culturesD. It preserves traditions begun in the early days of Amateur Radio T1H04 @T1D05 (A) [97.119b2] What is one reason to avoid using "cute" phrases or word combinations to identify your station?A. They are not easily understood by non-English-speaking amateursB. They might offend English-speaking amateursC. They do not meet FCC identification requirementsD. They might be interpreted as codes or ciphers intended to obscure the meaning of your identification T1H05 @T1D06 (A) [97.3a9]What is an amateur station called that transmits communications for the purpose of observation of propagation and reception?A. A beaconB. A repeaterC. An auxiliary stationD. A radio control station T1H06 @T1D07 (B) [97.203c] What is the maximum transmitting power permitted an amateur station in beacon operation?A. 10 watts PEP outputB. 100 watts PEP outputC. 500 watts PEP outputD. 1500 watts PEP output T1H07 @T1D08 (B) [97.205a]*Modified A for Rules changesWhat minimum class of amateur license must you hold to operate a beacon or a repeater station?A. Technician with credit for passing a Morse code examB. TechnicianC. GeneralD. Amateur Extra T1H08 @T1D09 (C) [97.215a]What minimum information must be on a label affixed to a transmitter used for telecommand (control) of model craft?A. Station call signB. Station call sign and the station licensee's nameC. Station call sign and the station licensee's name and addressD. Station call sign and the station licensee's class of license T1H09 @T1D11 (B) [97.215c] What is the maximum transmitter power an amateur station is allowed when used for telecommand (control) of model craft?A. One milliwattB. One wattC. 25 wattsD. 100 watts T1I Emergency communications; broadcasting; indecent and obscene language T1I01 @N1I12 (D) [97.405a] If you hear a voice distress signal on a frequency outside of your license privileges, what are you allowed to do to help the station in distress?A. You are NOT allowed to help because the frequency of the signal is outside your privilegesB. You are allowed to help only if you keep your signals within the nearest frequency band of your privilegesC. You are allowed to help on a frequency outside your privileges only if you use international Morse codeD. You are allowed to help on a frequency outside your privileges in any way possible T1I02 @N1I13 (C) [97.403] When may you use your amateur station to transmit an "SOS" or "MAYDAY"?A. NeverB. Only at specific times (at 15 and 30 minutes after the hour)C. In a life- or property-threatening emergencyD. When the National Weather Service has announced a severe weather watch T1I03 @N1I14 (B) [97.405a] When may you send a distress signal on any frequency?A. NeverB. In a life- or property-threatening emergencyC. Only at specific times (at 15 and 30 minutes after the hour)D. When the National Weather Service has announced a severe weather watch T1I04 @T1E01 (A) [97.401a]If a disaster disrupts normal communication systems in an area where the amateur service is regulated by the FCC, what kinds of transmissions may stations make?A. Those that are necessary to meet essential communication needs and facilitate relief actionsB. Those that allow a commercial business to continue to operate in the affected areaC. Those for which material compensation has been paid to the amateur operator for delivery into the affected areaD. Those that are to be used for program production or news gathering for broadcasting purposes T1I05 @T1E02 (C) [97.401c]What information is included in an FCC declaration of a temporary state of communication emergency?A. A list of organizations authorized to use radio communications in the affected areaB. A list of amateur frequency bands to be used in the affected areaC. Any special conditions and special rules to be observed during the emergencyD. An operating schedule for authorized amateur emergency stations T1I06 @T1E03 (A) [97.3a10]What is meant by the term broadcasting?A. Transmissions intended for reception by the general public, either direct or relayedB. Retransmission by automatic means of programs or signals from non-amateur stationsC. One-way radio communications, regardless of purpose or contentD. One-way or two-way radio communications between two or more stations T1I07 @T1E10 (B) [97.113a4] When may you send obscene words from your amateur station?A. Only when they do not cause interference to other communicationsB. Never; obscene words are not allowed in amateur transmissionsC. Only when they are not retransmitted through a repeaterD. Any time, but there is an unwritten rule among amateurs that they should not be used on the air T1I08 @T1E11 (D) [97.113a4] When may you send indecent words from your amateur station?A. Only when they do not cause interference to other communicationsB. Only when they are not retransmitted through a repeaterC. Any time, but there is an unwritten rule among amateurs that they should not be used on the airD. Never; indecent words are not allowed in amateur transmissions T1I09 @New (D) [97.113a4]Why is indecent and obscene language prohibited in the Amateur Service?A. Because it is offensive to some individualsB. Because young children may intercept amateur communications with readily available receiving equipmentC. Because such language is specifically prohibited by FCC RulesD. All of these choices are correct T1I10 @NEW (A) [97.113a4]Where can the official list of prohibited obscene and indecent words be found?A. There is no public list of prohibited obscene and indecent words; if you believe a word is questionable, don't use it in your communicationsB. The list is maintained by the Department of CommerceC. The list is International, and is maintained by Industry CanadaD. The list is in the "public domain," and can be found in all amateur study guides T1I11 [NEW} (D) [97.113b]Under what conditions may a Technician class operator use his or her station to broadcast information intended for reception by the general public?A. Never, broadcasting is a privilege reserved for Extra and General class operators onlyB. Only when operating in the FM Broadcast band (88.1 to 107.9 MHz)C. Only when operating in the AM Broadcast band (530 to 1700 kHz)D. Never, broadcasts intended for reception by the general public are not permitted in the Amateur Service SUBELEMENT T2 -- OPERATING PROCEDURES [5 Exam Questions -- 5 Groups] T2A Preparing to transmit; choosing a frequency for tune-up; operating or emergencies; morse code; repeater operations and autopatch T2A01 @N2A01 (A)What should you do before you transmit on any frequency?A. Listen to make sure others are not using the frequencyB. Listen to make sure that someone will be able to hear youC. Check your antenna for resonance at the selected frequencyD. Make sure the SWR on your antenna feed line is high enough T2A02 @N2A03 (D)If you are in contact with another station and you hear an emergency call for help on your frequency, what should you do?A. Tell the calling station that the frequency is in useB. Direct the calling station to the nearest emergency net frequencyC. Call your local Civil Preparedness Office and inform them of the emergencyD. Stop your QSO immediately and take the emergency call T2A03 @T2A12 (A)Why should local amateur communications use VHF and UHF frequencies instead of HF frequencies?A. To minimize interference on HF bands capable of long-distance communicationB. Because greater output power is permitted on VHF and UHFC. Because HF transmissions are not propagated locallyD. Because signals are louder on VHF and UHF frequencies T2A04 @T2A14 (B)How can on-the-air interference be minimized during a lengthy transmitter testing or loading-up procedure?A. Choose an unoccupied frequencyB. Use a dummy loadC. Use a non-resonant antennaD. Use a resonant antenna that requires no loading-up procedure T2A05 @N2A06 (C)At what speed should a Morse code CQ call be transmitted?A. Only speeds below five WPMB. The highest speed your keyer will operateC. Any speed at which you can reliably receiveD. The highest speed at which you can control the keyer T2A06 @T2A04 (C) What is an autopatch?A. An automatic digital connection between a US and a foreign amateurB. A digital connection used to transfer data between a hand-held radio and a computerC. A device that allows radio users to access the public telephone systemD. A video interface allowing images to be patched into a digital data stream T2A07 @T2A10 (B)How do you call another station on a repeater if you know the station's call sign?A. Say "break, break 79," then say the station's call signB. Say the station's call sign, then identify your own stationC. Say "CQ" three times, then say the station's call signD. Wait for the station to call "CQ," then answer it T2A08 @T2A08 (B)What is a courtesy tone (used in repeater operations)?A. A sound used to identify the repeaterB. A sound used to indicate when a transmission is completeC. A sound used to indicate that a message is waiting for someoneD. A sound used to activate a receiver in case of severe weather T2A09 @N2A08 (A) What is the meaning of the procedural signal "DE"?A. "From" or "this is," as in "W0AIH DE KA9FOX"B. "Directional Emissions" from your antennaC. "Received all correctly"D. "Calling any station" T2A10 @T2A07 (D) During commuting rush hours, which type of repeater operation should be discouraged?A. Mobile stationsB. Low-power stationsC. Highway traffic information netsD. Third-party communications nets T2A11 @T2A18 (D)What is the proper way to break into a conversation on a repeater?A. Wait for the end of a transmission and start calling the desired partyB. Shout, "break, break!" to show that you're eager to join the conversationC. Turn on an amplifier and override whoever is talkingD. Say your call sign during a break between transmissions T2B Definition and proper use; courteous operation; repeater frequency coordination; morse code T2B01 @N2B09 (A)When using a repeater to communicate, which of the following do you need to know about the repeater?A. Its input frequency and offsetB. Its call signC. Its power levelD. Whether or not it has an autopatch T2B02 @N2B11 (C)What is an autopatch?A. Something that automatically selects the strongest signal to be repeatedB. A device that connects a mobile station to the next repeater if it moves out of range of the firstC. A device that allows repeater users to make telephone calls from their stationsD. A device that locks other stations out of a repeater when there is an important conversation in progress T2B03 @N2B12 (D)What is the purpose of a repeater time-out timer?A. It lets a repeater have a rest period after heavy useB. It logs repeater transmit time to predict when a repeater will failC. It tells how long someone has been using a repeaterD. It limits the amount of time someone can transmit on a repeater T2B04 @N2B13 (B)What is a CTCSS (or PL) tone?A. A special signal used for telecommand control of model craftB. A sub-audible tone, added to a carrier, which may cause a receiver to accept a signalC. A tone used by repeaters to mark the end of a transmissionD. A special signal used for telemetry between amateur space stations and Earth stations T2B05 @T2A01 (A)What is the usual input/output frequency separation for repeaters in the 2-meter band?A. 600 kHzB. 1.0 MHzC. 1.6 MHzD. 5.0 MHz T2B06 @T2A02 (C)What is the usual input/output frequency separation for repeaters in the 1.25-meter band?A. 600 kHzB. 1.0 MHzC. 1.6 MHzD. 5.0 MHz T2B07 @T2A03 (D)What is the usual input/output frequency separation for repeaters in the 70-centimeter band?A. 600 kHzB. 1.0 MHzC. 1.6 MHzD. 5.0 MHz T2B08 @T2A05 (B)What is the purpose of repeater operation?A. To cut your power bill by using someone else's higher power systemB. To help mobile and low-power stations extend their usable rangeC. To transmit signals for observing propagation and receptionD. To communicate with stations in services other than amateur T2B09 @T2A11 (A)What is a repeater called that is available for anyone to use?A. An open repeaterB. A closed repeaterC. An autopatch repeaterD. A private repeater T2B10 @T2A16 (C)Why should you pause briefly between transmissions when using a repeater?A. To check the SWR of the repeaterB. To reach for pencil and paper for third-party communicationsC. To listen for anyone wanting to break inD. To dial up the repeater's autopatch T2B11 @T2A17 (A)Why should you keep transmissions short when using a repeater?A. A long transmission may prevent someone with an emergency from using the repeaterB. To see if the receiving station operator is still awakeC. To give any listening non-hams a chance to respondD. To keep long-distance charges down T2C Simplex operations; RST signal reporting; choice of equipment for desired communications; communications modes including amateur television (ATV), packet radio; Q signals, procedural signals and abbreviations T2C01 @N2B14 (A)What is simplex operation?A. Transmitting and receiving on the same frequencyB. Transmitting and receiving over a wide areaC. Transmitting on one frequency and receiving on anotherD. Transmitting one-way communications T2C02 @N2B15 (B)When should you use simplex operation instead of a repeater?A. When the most reliable communications are neededB. When a contact is possible without using a repeaterC. When an emergency telephone call is neededD. When you are traveling and need some local information T2C03 @T2B01 (C)Why should simplex be used where possible, instead of using a repeater?A. Signal range will be increasedB. Long distance toll charges will be avoidedC. The repeater will not be tied up unnecessarilyD. Your antenna's effectiveness will be better tested T2C04 @T2B02 (A)If you are talking to a station using a repeater, how would you find out if you could communicate using simplex instead?A. See if you can clearly receive the station on the repeater's input frequencyB. See if you can clearly receive the station on a lower frequency bandC. See if you can clearly receive a more distant repeaterD. See if a third station can clearly receive both of you T2C05 @N2A13 (D)What does RST mean in a signal report?A. Recovery, signal strength, tempoB. Recovery, signal speed, toneC. Readability, signal speed, tempoD. Readability, signal strength, tone T2C06 @T2B07 (D)What is the meaning of: "Your signal report is five nine plus 20 dB..."?A. Your signal strength has increased by a factor of 100B. Repeat your transmission on a frequency 20 kHz higherC. The bandwidth of your signal is 20 decibels above linearityD. A relative signal-strength meter reading is 20 decibels greater than strength 9 T2C07 @N2A07 (D)What is the meaning of the procedural signal "CQ"?A. "Call on the quarter hour"B. "New antenna is being tested" (no station should answer)C. "Only the called station should transmit"D. "Calling any station" T2C08 @N2A16 (C)What is a QSL card in the amateur service?A. A letter or postcard from an amateur pen palB. A Notice of Violation from the FCCC. A written acknowledgment of communications between two amateursD. A postcard reminding you when your license will expire T2C09 @N2A17 (C)What is the correct way to call CQ when using voice?A. Say "CQ" once, followed by "this is," followed by your call sign spoken three timesB. Say "CQ" at least five times, followed by "this is," followed by your call sign spoken onceC. Say "CQ" three times, followed by "this is," followed by your call sign spoken three timesD. Say "CQ" at least ten times, followed by "this is," followed by your call sign spoken once T2C10 @N2A18 (D)How should you answer a voice CQ call?A. Say the other station's call sign at least ten times, followed by "this is," then your call sign at least twiceB. Say the other station's call sign at least five times phonetically, followed by "this is," then your call sign at least onceC. Say the other station's call sign at least three times, followed by "this is," then your call sign at least five times phoneticallyD. Say the other station's call sign once, followed by "this is," then your call sign given phonetically T2C11 @T2A09 (A)What is the meaning of: "Your signal is full quieting..."?A. Your signal is strong enough to overcome all receiver noiseB. Your signal has no spurious soundsC. Your signal is not strong enough to be receivedD. Your signal is being received, but no audio is being heard T2D Distress calling and emergency drills and communications -- operations and equipment; Radio Amateur Civil Emergency Service (RACES) T2D01 @T2C01 (A)What is the proper distress call to use when operating phone?A. Say "MAYDAY" several timesB. Say "HELP" several timesC. Say "EMERGENCY" several timesD. Say "SOS" several times T2D02 @T2C02 (D)What is the proper distress call to use when operating CW?A. MAYDAYB. QRRRC. QRZD. SOS T2D03 @T2C03 (A)What is the proper way to interrupt a repeater conversation to signal a distress call?A. Say "BREAK" twice, then your call signB. Say "HELP" as many times as it takes to get someone to answerC. Say "SOS," then your call signD. Say "EMERGENCY" three times T2D04 @T2C04 (B)What is one reason for using tactical call signs such as "command post" or "weather center" during an emergency?A. They keep the general public informed about what is going onB. They are more efficient and help coordinate public-service communicationsC. They are required by the FCCD. They increase goodwill between amateurs T2D05 @T2C05 (D)What type of messages concerning a person's well-being are sent into or out of a disaster area?A. Routine trafficB. Tactical trafficC. Formal message trafficD. Health and Welfare traffic T2D06 @T2C06 (B)What are messages called that are sent into or out of a disaster area concerning the immediate safety of human life?A. Tactical trafficB. Emergency trafficC. Formal message trafficD. Health and Welfare traffic T2D07 @T2C07 (B)Why is it a good idea to have a way to operate your amateur station without using commercial AC power lines?A. So you may use your station while mobileB. So you may provide communications in an emergencyC. So you may operate in contests where AC power is not allowedD. So you will comply with the FCC rules T2D08 @T2C08 (C)What is the most important accessory to have for a hand-held radio in an emergency?A. An extra antennaB. A portable amplifierC. Several sets of charged batteriesD. A microphone headset for hands-free operation T2D09 @T2C09 (C) Which type of antenna would be a good choice as part of a portable HF amateur station that could be set up in case of an emergency?A. A three-element quadB. A three-element YagiC. A dipoleD. A parabolic dish T2D10 @T2C11 (A) What is the maximum number of hours allowed per week for RACES drills?A. OneB. Seven, but not more than one hour per dayC. EightD. As many hours as you want T2D11 @T2C12 (D)How must you identify messages sent during a RACES drill?A. As emergency messagesB. As amateur trafficC. As official government messagesD. As drill or test messages T2E Voice communications and phonetics; SSB/CW weak signal operations; radioteleprinting; packet; special operations T2E01 @N2A23 (A)To make your call sign better understood when using voice transmissions, what should you do?A. Use Standard International Phonetics for each letter of your callB. Use any words that start with the same letters as your call sign for each letter of your callC. Talk louderD. Turn up your microphone gain T2E02 @N2B03 (B) What does the abbreviation "RTTY" stand for?A. "Returning to you", meaning "your turn to transmit"B. RadioteletypeC. A general call to all digital stationsD. Morse code practice over the air T2E03 @N2B04 (C)What does "connected" mean in a packet-radio link?A. A telephone link is working between two stationsB. A message has reached an amateur station for local deliveryC. A transmitting station is sending data to only one receiving station; it replies that the data is being received correctlyD. A transmitting and receiving station are using a digipeater, so no other contacts can take place until they are finished T2E04 @N2B05 (D) What does "monitoring" mean on a packet-radio frequency?A. The FCC is copying all messagesB. A member of the Amateur Auxiliary to the FCC's Compliance and Information Bureau is copying all messagesC. A receiving station is displaying all messages sent to it, and replying that the messages are being received correctlyD. A receiving station is displaying all messages on the frequency, and is not replying to any messages T2E05 @N2B06 (A) What is a digipeater?A. A packet-radio station that retransmits only data that is marked to be retransmittedB. A packet-radio station that retransmits any data that it receivesC. A repeater that changes audio signals to digital dataD. A repeater built using only digital electronics parts T2E06 @N2B07 (B)What does "network" mean in packet radio?A. A way of connecting terminal-node controllers by telephone so data can be sent over long distancesB. A way of connecting packet-radio stations so data can be sent over long distancesC. The wiring connections on a terminal-node controller boardD. The programming in a terminal-node controller that rejects other callers if a station is already connected T2E07 @T2B10 (B) When should digital transmissions be used on 2-meter simplex voice frequencies?A. In between voice syllablesB. Digital operations should be avoided on simplex voice frequenciesC. Only in the eveningD. At any time, so as to encourage the best use of the band T2E08 @T2B09 (A) Which of the following modes of communication are NOT available to a Technician class operator?A. CW and SSB on HF bandsB. Amateur television (ATV)C. EME (Moon bounce)D. VHF packet, CW and SSB T2E09 @N2B02 (B)What speed should you use when answering a CQ call using RTTY?A. Half the speed of the received signalB. The same speed as the received signalC. Twice the speed of the received signalD. Any speed, since RTTY systems adjust to any signal speed T2E10 @N1H12 (C) [97.11] When may you operate your amateur station aboard a commercial aircraft?A. At any timeB. Only while the aircraft is not in flightC. Only with the pilot's specific permission and not while the aircraft is operating under Instrument Flight RulesD. Only if you have written permission from the commercial airline company and not during takeoff and landing T2E11 @N1H09 (D) [97.5a]When may you operate your amateur station somewhere in the US besides the address listed on your license?A. Only during times of emergencyB. Only after giving proper notice to the FCCC. During an emergency or an FCC-approved emergency practiceD. Whenever you want to SUBELEMENT T3 -- RADIO-WAVE PROPAGATION [3 Exam Questions -- 3 Groups] T3A Line of sight; reflection of VHF/UHF signals T3A01 @T3A01 (B)How are VHF signals propagated within the range of the visible horizon?A. By sky waveB. By line of sightC. By plane waveD. By geometric refraction T3A02 @N3A01 (A)When a signal travels in a straight line from one antenna to another, what is this called?A. Line-of-sight propagationB. Straight line propagationC. Knife-edge diffractionD. Tunnel ducting T3A03 @N3A02 (B)How do VHF and UHF radio waves usually travel from a transmitting antenna to a receiving antenna?A. They bend through the ionosphereB. They go in a straight lineC. They wander in any directionD. They move in a circle going either east or west from the transmitter T3A04 @T3A12 (C)What type of propagation usually occurs from one hand-held VHF transceiver to another nearby?A. Tunnel propagationB. Sky-wave propagationC. Line-of-sight propagationD. Auroral propagation T3A05 @N3A10 (A)What causes the ionosphere to form?A. Solar radiation ionizing the outer atmosphereB. Temperature changes ionizing the outer atmosphereC. Lightning ionizing the outer atmosphereD. Release of fluorocarbons into the atmosphere T3A06 @N3A11 (C)What type of solar radiation is most responsible for ionization in the outer atmosphere?A. ThermalB. Non-ionized particleC. UltravioletD. Microwave T3A07 @N3A15 (C)Which two daytime ionospheric regions combine into one region at night?A. E and F1B. D and EC. F1 and F2D. E1 and E2 T3A08 @New (C)Which ionospheric region becomes one region at night, but separates into two separate regions during the day?A. DB. EC. FD. All of these choices T3A09 @New (B)Ultraviolet solar radiation is most responsible for ionization in what part of the atmosphere?A. InnerB. OuterC. All of these choicesD. None of these choices T3A10 @New (A)What part of our atmosphere is formed by solar radiation ionizing the outer atmosphere A. IonosphereB. TroposphereC. EcosphereD. Stratosphere T3A11 @N3A18 (C)What can happen to VHF or UHF signals going towards a metal-framed building?A. They will go around the buildingB. They can be bent by the ionosphereC. They can be easily reflected by the buildingD. They are sometimes scattered in the ecosphere T3B Tropospheric ducting or bending; amateur satellite and EME operations T3B01 @T3A02 (C)Ducting occurs in which region of the atmosphere?A. F2B. EcosphereC. TroposphereD. Stratosphere T3B02 @T3A03 (A)What effect does tropospheric bending have on 2-meter radio waves?A. It lets you contact stations farther awayB. It causes them to travel shorter distancesC. It garbles the signalD. It reverses the sideband of the signal T3B03 @T3A04 (D) What causes tropospheric ducting of radio waves?A. A very low pressure areaB. An aurora to the northC. Lightning between the transmitting and receiving stationsD. A temperature inversion T3B04 @T3A05 (B)What causes VHF radio waves to be propagated several hundred miles over oceans?A. A polar air massB. A widespread temperature inversionC. An overcast of cirriform cloudsD. A high-pressure zone T3B05 @T3A06 (A)In which of the following frequency ranges does tropospheric ducting most often occur?A. UHFB. MFC. HFD. VLF T3B06 @T3A08 (A)What weather condition may cause tropospheric ducting?A. A stable high-pressure systemB. An unstable low-pressure systemC. A series of low-pressure wavesD. Periods of heavy rainfall T3B07 @T3A11 (C)How does the signal loss for a given path through the troposphere vary with frequency?A. There is no relationshipB. The path loss decreases as the frequency increasesC. The path loss increases as the frequency increasesD. There is no path loss at all T3B08 @T3C05 (B)Why are high-gain antennas normally used for EME (moonbounce) communications?A. To reduce the scattering of the reflected signal as it returns to EarthB. To overcome the extreme path losses of this modeC. To reduce the effects of polarization changes in the received signalD. To overcome the high levels of solar noise at the receiver T3B09 @T3C07 (D)Which of the following antenna systems would be the best choice for an EME (moonbounce) station?A. A single dipole antennaB. An isotropic antennaC. A ground-plane antennaD. A high-gain array of Yagi antennas T3B10 @T3C10 (B)When is it necessary to use a higher transmitter power level when conducting satellite communications?A. When the satellite is at its perigeeB. When the satellite is low to the horizonC. When the satellite is fully illuminated by the sunD. When the satellite is near directly overhead T3B11 @T3C11 (C)Which of the following conditions must be met before two stations can conduct real-time communications through a satellite?A. Both stations must use circularly polarized antennasB. The satellite must be illuminated by the sun during the communicationsC. The satellite must be in view of both stations simultaneouslyD. Both stations must use high-gain antenna systems T3C Ionospheric propagation, causes and variation; maximum usable frequency; Sporadic-E propagation; ground wave, HF propagation characteristics; sunspots and the sunspot cycle T3C01 @T3B01 (D)Which region of the ionosphere is mainly responsible for absorbing MF/HF radio signals during the daytime?A. The F2 regionB. The F1 regionC. The E regionD. The D region T3C02 @T3B05 (C)If you are receiving a weak and distorted signal from a distant station on a frequency close to the maximum usable frequency, what type of propagation is probably occurring?A. DuctingB. Line-of-sightC. ScatterD. Ground-wave T3C03 @T3B14 (A)In relation to sky-wave propagation, what does the term "maximum usable frequency" (MUF) mean?A. The highest frequency signal that will reach its intended destinationB. The lowest frequency signal that will reach its intended destinationC. The highest frequency signal that is most absorbed by the ionosphereD. The lowest frequency signal that is most absorbed by the ionosphere T3C04 @N3A03 (D)When a signal travels along the surface of the Earth, what is this called?A. Sky-wave propagationB. Knife-edge diffractionC. E-region propagationD. Ground-wave propagation T3C05 @N3A05 (A)When a signal is returned to Earth by the ionosphere, what is this called?A. Sky-wave propagationB. Earth-Moon-Earth propagationC. Ground-wave propagationD. Tropospheric propagation T3C06 @N3A07 (C)What is a skip zone?A. An area covered by ground-wave propagationB. An area covered by sky-wave propagationC. An area that is too far away for ground-wave propagation, but too close for sky-wave propagationD. An area that is too far away for ground-wave or sky-wave propagation T3C07 @N3A12 (B)Which ionospheric region is closest to the Earth?A. The A regionB. The D regionC. The E regionD. The F region T3C08 @N3A13 (D)Which region of the ionosphere is mainly responsible for long-distance sky-wave radio communications?A. D regionB. E regionC. F1 regionD. F2 region T3C09 @N3A14 (B)Which of the ionospheric regions may split into two regions only during the daytime?A. TroposphereB. FC. ElectrostaticD. D T3C10 @N3A16 (A) How does the number of sunspots relate to the amount of ionization in the ionosphere?A. The more sunspots there are, the greater the ionizationB. The more sunspots there are, the less the ionizationC. Unless there are sunspots, the ionization is zeroD. Sunspots do not affect the ionosphere T3C11 @N3A17 (C)How long is an average sunspot cycle?A. 2 yearsB. 5 yearsC. 11 yearsD. 17 years SUBELEMENT T4 -- AMATEUR RADIO PRACTICES [4 Exam Questions -- 4 Groups] T4A Lightning protection and station grounding; safety interlocks, antenna installation safety procedures; dummy antennas T4A01 @N4A04 (C)How can an antenna system best be protected from lightning damage?A. Install a balun at the antenna feed pointB. Install an RF choke in the antenna feed lineC. Ground all antennas when they are not in useD. Install a fuse in the antenna feed line T4A02 @N4A05 (D)How can amateur station equipment best be protected from lightning damage?A. Use heavy insulation on the wiringB. Never turn off the equipmentC. Disconnect the ground system from all radiosD. Disconnect all equipment from the power lines and antenna cables T4A03 @N4A06 (B)For best protection from electrical shock, what should be grounded in an amateur station?A. The power supply primaryB. All station equipmentC. The antenna feed lineD. The AC power mains T4A04 @N4B01 (D)Why would there be an interlock switch in a high-voltage power supply to turn off the power if its cabinet is opened?A. To keep dangerous RF radiation from leaking out through an open cabinetB. To keep dangerous RF radiation from coming in through an open cabinetC. To turn the power supply off when it is not being usedD. To keep anyone opening the cabinet from getting shocked by dangerous high voltages T4A05 @N4B05 (C)Why should you wear a hard hat and safety glasses if you are on the ground helping someone work on an antenna tower?A. So you won't be hurt if the tower should accidentally fallB. To keep RF energy away from your head during antenna testingC. To protect your head from something dropped from the towerD. So someone passing by will know that work is being done on the tower and will stay away T4A06 @N4B08 (D)What safety factors must you consider when using a bow and arrow or slingshot and weight to shoot an antenna-support line over a tree?A. You must ensure that the line is strong enough to withstand the shock of shooting the weightB. You must ensure that the arrow or weight has a safe flight path if the line breaksC. You must ensure that the bow and arrow or slingshot is in good working conditionD. All of these choices are correct T4A07 @N4B09 (B)Which of the following is the best way to install your antenna in relation to overhead electric power lines?A. Always be sure your antenna wire is higher than the power line, and crosses it at a 90-degree angleB. Always be sure your antenna and feed line are well clear of any power linesC. Always be sure your antenna is lower than the power line, and crosses it at a small angleD. Only use vertical antennas within 100 feet of a power line T4A08 @T4D04 (B)What device is used in place of an antenna during transmitter tests so that no signal is radiated?A. An antenna matcherB. A dummy antennaC. A low-pass filterD. A decoupling resistor T4A09 @T4D05 (A)Why would you use a dummy antenna?A. For off-the-air transmitter testingB. To reduce output powerC. To give comparative signal reportsD. To allow antenna tuning without causing interference T4A10 @T4D06 (A)What minimum rating should a dummy antenna have for use with a 100 watt single-sideband phone transmitter?A. 100 watts continuousB. 141 watts continuousC. 175 watts continuousD. 200 watts continuous T4A11 @T4D08 (B)Would a 100 watt light bulb make a good dummy load for tuning a transceiver?A. Yes; a light bulb behaves exactly like a dummy loadB. No; the impedance of the light bulb changes as the filament gets hotC. No; the light bulb would act like an open circuitD. No; the light bulb would act like a short circuit T4B Electrical wiring, including switch location, dangerous voltages and currents; SWR meaning and measurements; SWR meters T4B01 @T4A01 (C)Where should the green wire in a three-wire AC line cord be connected in a power supply?A. To the fuseB. To the "hot" side of the power switchC. To the chassisD. To the white wire T4B02 @T4A10 (A)What is the minimum voltage that is usually dangerous to humans?A. 30 voltsB. 100 voltsC. 1000 voltsD. 2000 volts T4B03 @T4A14 (A)How much electrical current flowing through the human body will probably be fatal?A. As little as 1/10 of an ampereB. Approximately 10 amperesC. More than 20 amperesD. Current through the human body is never fatal T4B04 @T4A15 (A)Which body organ can be fatally affected by a very small amount of electrical current?A. The heartB. The brainC. The liverD. The lungs T4B05 @N4C02 (C)What does an SWR reading of less than 1.5:1 mean?A. An impedance match that is too lowB. An impedance mismatch; something may be wrong with the antenna systemC. A fairly good impedance matchD. An antenna gain of 1.5 T4B06 @N4C05 (A)What does a very high SWR reading mean?A. The antenna is the wrong length, or there may be an open or shorted connection somewhere in the feed lineB. The signals coming from the antenna are unusually strong, which means very good radio conditionsC. The transmitter is putting out more power than normal, showing that it is about to go badD. There is a large amount of solar radiation, which means very poor radio conditions T4B07 @N4C06 (B)If an SWR reading at the low frequency end of an amateur band is 2.5:1, increasing to 5:1 at the high frequency end of the same band, what does this tell you about your 1/2-wavelength dipole antenna?A. The antenna is broadbandedB. The antenna is too long for operation on the bandC. The antenna is too short for operation on the bandD. The antenna is just right for operation on the band T4B08 @N4C07 (C)If an SWR reading at the low frequency end of an amateur band is 5:1, decreasing to 2.5:1 at the high frequency end of the same band, what does this tell you about your 1/2-wavelength dipole antenna?A. The antenna is broadbandedB. The antenna is too long for operation on the bandC. The antenna is too short for operation on the bandD. The antenna is just right for operation on the band T4B09 @N4C10 (D)What instrument is used to measure the relative impedance match between an antenna and its feed line?A. An ammeterB. An ohmmeterC. A voltmeterD. An SWR meter T4B10 @T4C09 (C)If you use an SWR meter designed to operate on 3-30 MHz for VHF measurements, how accurate will its readings be?A. They will not be accurateB. They will be accurate enough to get byC. If it properly calibrates to full scale in the set position, they may be accurateD. They will be accurate providing the readings are multiplied by 4.5 T4B11 @N4C01 (B)What does an SWR reading of 1:1 mean?A. An antenna for another frequency band is probably connectedB. The best impedance match has been attainedC. No power is going to the antennaD. The SWR meter is broken T4C Meters and their placement in circuits, including volt, amp, multi, peak-reading and RF watt; ratings of fuses and switches T4C01 @T4B01 (B)How is a voltmeter usually connected to a circuit under test?A. In series with the circuitB. In parallel with the circuitC. In quadrature with the circuitD. In phase with the circuit T4C02 @T4B02 (A)How is an ammeter usually connected to a circuit under test?A. In series with the circuitB. In parallel with the circuitC. In quadrature with the circuitD. In phase with the circuit T4C03 @T4B03 (A)Where should an RF wattmeter be connected for the most accurate readings of transmitter output power?A. At the transmitter output connectorB. At the antenna feed pointC. One-half wavelength from the transmitter outputD. One-half wavelength from the antenna feed point T4C04 @T4B07 (D)For which measurements would you normally use a multimeter?A. SWR and powerB. Resistance, capacitance and inductanceC. Resistance and reactanceD. Voltage, current and resistance T4C05 @T4B08 (B)What might happen if you switch a multimeter to measure resistance while you have it connected to measure voltage?A. The multimeter would read half the actual voltageB. It would probably destroy the meter circuitryC. The multimeter would read twice the actual voltageD. Nothing unusual would happen; the multimeter would measure the circuit's resistance T4C06 @T4B09 (C)If you switch a multimeter to read microamps and connect it into a circuit drawing 5 amps, what might happen?A. The multimeter would read half the actual currentB. The multimeter would read twice the actual currentC. It would probably destroy the meter circuitryD. The multimeter would read a very small value of current T4C07 @T4B10 (B)At what line impedance do most RF watt meters usually operate?A. 25 ohmsB. 50 ohmsC. 100 ohmsD. 300 ohms T4C08 @T4B11 (A)What does a directional wattmeter measure?A. Forward and reflected powerB. The directional pattern of an antennaC. The energy used by a transmitterD. Thermal heating in a load resistor T4C09 @T4B12 (B)If a directional RF wattmeter reads 90 watts forward power and 10 watts reflected power, what is the actual transmitter output power?A. 10 wattsB. 80 wattsC. 90 wattsD. 100 watts T4C10 @T4B14 (A)Why might you use a peak-reading RF wattmeter at your station?A. To make sure your transmitter's output power is not higher than that authorized by your license classB. To make sure your transmitter is not drawing too much power from the AC lineC. To make sure all your transmitter's power is being radiated by your antennaD. To measure transmitter input and output power at the same time T4C11 @T4B15 (C)What could happen to your transceiver if you replace its blown 5 amp AC line fuse with a 30 amp fuse?A. The 30-amp fuse would better protect your transceiver from using too much currentB. The transceiver would run coolerC. The transceiver could use more current than 5 amps and a fire could occurD. The transceiver would not be able to produce as much RF output T4D RFI and its complications, resolution and responsibility T4D01 @N4D01 (C)What is meant by receiver overload?A. Too much voltage from the power supplyB. Too much current from the power supplyC. Interference caused by strong signals from a nearby sourceD. Interference caused by turning the volume up too high T4D02 @N4D02 (A)What is meant by harmonic radiation?A. Unwanted signals at frequencies that are multiples of the fundamental (chosen) frequencyB. Unwanted signals that are combined with a 60-Hz humC. Unwanted signals caused by sympathetic vibrations from a nearby transmitterD. Signals that cause skip propagation to occur T4D03 @N4D06 (B)What type of filter might be connected to an amateur HF transmitter to cut down on harmonic radiation?A. A key-click filterB. A low-pass filterC. A high-pass filterD. A CW filter T4D04 @N4D08 (C)If your neighbor reports television interference whenever you are transmitting from your amateur station, no matter what frequency band you use, what is probably the cause of the interference?A. Too little transmitter harmonic suppressionB. Receiver VR tube dischargeC. Receiver overloadD. Incorrect antenna length T4D05 @N4D09 (D)If your neighbor reports television interference on one or two channels only when you are transmitting on the 15-meter band, what is probably the cause of the interference?A. Too much low-pass filtering on the transmitterB. De-ionization of the ionosphere near your neighbor's TV antennaC. TV receiver front-end overloadD. Harmonic radiation from your transmitter T4D06 @N4D10 (B)What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from an amateur HF station transmission?A. Low-passB. High-passC. Band passD. Notch T4D07 @N4D11 (B) What first step should be taken at a cable TV receiver when trying to prevent RF overload from an amateur HF station transmission?A. Install a low-pass filter in the cable system transmission lineB. Tighten all connectors and inspect the cable system transmission lineC. Make sure the center conductor of the cable system transmission line is well groundedD. Install a ceramic filter in the cable system transmission line T4D08 @N4D12 (C)What effect might a break in a cable television transmission line have on amateur communications?A. Cable lines are shielded and a break cannot affect amateur communicationsB. Harmonic radiation from the TV receiver may cause the amateur transmitter to transmit off-frequencyC. TV interference may result when the amateur station is transmitting, or interference may occur to the amateur receiverD. The broken cable may pick up very high voltages when the amateur station is transmitting T4D09 @N4D13 (A)If you are told that your amateur station is causing television interference, what should you do?A. First make sure that your station is operating properly, and that it does not cause interference to your own televisionB. Immediately turn off your transmitter and contact the nearest FCC office for assistanceC. Connect a high-pass filter to the transmitter output and a low-pass filter to the antenna-input terminals of the televisionD. Continue operating normally, because you have no reason to worry about the interference T4D10 @N4D14 (C)If harmonic radiation from your transmitter is causing interference to television receivers in your neighborhood, who is responsible for taking care of the interference?A. The owners of the television receivers are responsibleB. Both you and the owners of the television receivers share the responsibilityC. You alone are responsible, since your transmitter is causing the problemD. The FCC must decide if you or the owners of the television receivers are responsible T4D11 @N4D15 (D)If signals from your transmitter are causing front-end overload in your neighbor's television receiver, who is responsible for taking care of the interference?A. You alone are responsible, since your transmitter is causing the problemB. Both you and the owner of the television receiver share the responsibilityC. The FCC must decide if you or the owner of the television receiver are responsibleD. The owner of the television receiver is responsible SUBELEMENT T5 -- ELECTRICAL PRINCIPLES [3 Exam Questions -- 3 Groups] T5A Metric prefixes, e.g. pico, nano, micro, milli, centi, kilo, mega, giga; concepts, units and measurement of current, voltage; concept of conductor and insulator; concept of open and short circuits T5A01 @N5A03 (B)*Modified Q,A-DIf a dial marked in kilohertz shows a reading of 28450 kHz, what would it show if it were marked in hertz?A. 284,500 HzB. 28,450,000 HzC. 284,500,000 HzD. 284,500,000,000 Hz T5A02 @N5A05 (C)If an ammeter marked in amperes is used to measure a 3000-milliampere current, what reading would it show?A. 0.003 amperesB. 0.3 amperesC. 3 amperesD. 3,000,000 amperes T5A03 @N5A09 (C)How many hertz are in a kilohertz?A. 10B. 100C. 1000D. 1,000,000 T5A04 @N5B02 (C)What is the basic unit of electric current?A. The voltB. The wattC. The ampereD. The ohm T5A05 @N5B03 (D)Which instrument would you use to measure electric current?A. An ohmmeterB. A wavemeterC. A voltmeterD. An ammeter T5A06 @N5B08 (B)Which instrument would you use to measure electric potential or electromotive force?A. An ammeterB. A voltmeterC. A wavemeterD. An ohmmeter T5A07 @N5B05 (A)What is the basic unit of electromotive force (EMF)?A. The voltB. The wattC. The ampereD. The ohm T5A08 @N5B12 (C)What are three good electrical conductors?A. Copper, gold, micaB. Gold, silver, woodC. Gold, silver, aluminumD. Copper, aluminum, paper T5A09 @N5B13 (A)What are four good electrical insulators?A. Glass, air, plastic, porcelainB. Glass, wood, copper, porcelainC. Paper, glass, air, aluminumD. Plastic, rubber, wood, carbon T5A10 @N5C09 (C)Which electrical circuit can have no current?A. A closed circuitB. A short circuitC. An open circuitD. A complete circuit T5A11 @N5C11 (D) Which electrical circuit draws too much current?A. An open circuitB. A dead circuitC. A closed circuitD. A short circuit T5B Concepts, units and calculation of resistance, inductance and capacitance values in series and parallel circuits T5B01 @T5A01 (D)What does resistance do in an electric circuit?A. It stores energy in a magnetic fieldB. It stores energy in an electric fieldC. It provides electrons by a chemical reactionD. It opposes the flow of electrons T5B02 @T5A02 (B)What is the definition of 1 ohm?A. The reactance of a circuit in which a 1-microfarad capacitor is resonant at 1 MHzB. The resistance of a circuit in which a 1-amp current flows when 1 volt is appliedC. The resistance of a circuit in which a 1-milliamp current flows when 1 volt is appliedD. The reactance of a circuit in which a 1-millihenry inductor is resonant at 1 MHz T5B03 @T5A03 (C)What is the basic unit of resistance?A. The faradB. The wattC. The ohmD. The resistor T5B04 @T5A04 (D)What is one reason resistors are used in electronic circuits?A. To block the flow of direct current while allowing alternating current to passB. To block the flow of alternating current while allowing direct current to passC. To increase the voltage of the circuitD. To control the amount of current that flows for a particular applied voltage T5B05 @T5A05 (D)What is the ability to store energy in a magnetic field called?A. AdmittanceB. CapacitanceC. ResistanceD. Inductance T5B06 @T5A08 (B)What is one reason inductors are used in electronic circuits?A. To block the flow of direct current while allowing alternating current to passB. To reduce the flow of AC while allowing DC to pass freelyC. To change the time constant of the applied voltageD. To change alternating current to direct current T5B07 @T5A09 (D)What is the ability to store energy in an electric field called?A. InductanceB. ResistanceC. ToleranceD. Capacitance T5B08 @T5A12 (A)What is one reason capacitors are used in electronic circuits?A. To block the flow of direct current while allowing alternating current to passB. To block the flow of alternating current while allowing direct current to passC. To change the time constant of the applied voltageD. To change alternating current to direct current T5B09 @T5B10 (D)If two resistors are connected in series, what is their total resistance?A. The difference between the individual resistor valuesB. Always less than the value of either resistorC. The product of the individual resistor valuesD. The sum of the individual resistor values T5B10 @T5B13 (A)If two equal-value inductors are connected in parallel, what is their total inductance?A. Half the value of one inductorB. Twice the value of one inductorC. The same as the value of either inductorD. The value of one inductor times the value of the other T5B11 @T5B14 (C)If two equal-value capacitors are connected in series, what is their total capacitance?A. Twice the value of one capacitorB. The same as the value of either capacitorC. Half the value of either capacitorD. The value of one capacitor times the value of the other T5C Ohm's Law (any calculations will be kept to a very low level - no fractions or decimals) and the concepts of energy and power, and; concepts of frequency, including AC vs. DC, frequency units, and wavelength T5C01 @T5B01 (C)How is the current in a DC circuit directly calculated when the voltage and resistance are known?A. I = R x E [current equals resistance multiplied by voltage]B. I = R / E [current equals resistance divided by voltage]C. I = E / R [current equals voltage divided by resistance]D. I = E / P [current equals voltage divided by power] T5C02 @T5B02 (B)How is the resistance in a DC circuit calculated when the voltage and current are known?A. R = I / E [resistance equals current divided by voltage]B. R = E / I [resistance equals voltage divided by current]C. R = I x E [resistance equals current multiplied by voltage]D. R = P / E [resistance equals power divided by voltage] T5C03 @T5B03 (C)How is the voltage in a DC circuit directly calculated when the current and resistance are known?A. E = I / R [voltage equals current divided by resistance]B. E = R / I [voltage equals resistance divided by current]C. E = I x R [voltage equals current multiplied by resistance]D. E = I / P [voltage equals current divided by power] T5C04 @N5C03 (C)If a current of 2 amperes flows through a 50-ohm resistor, what is the voltage across the resistor?A. 25 voltsB. 52 voltsC. 100 voltsD. 200 volts T5C05 @N5C04 (B)If a 100-ohm resistor is connected to 200 volts, what is the current through the resistor?A. 1 ampereB. 2 amperesC. 300 amperesD. 20,000 amperes T5C06 @N5C05 (B)If a current of 3 amperes flows through a resistor connected to 90 volts, what is the resistance?A. 3 ohmsB. 30 ohmsC. 93 ohmsD. 270 ohms T5C07 @N5C06 (C)What term describes how fast electrical energy is used?A. ResistanceB. CurrentC. PowerD. Voltage T5C08 @N5C08 (B)What is the basic unit of electrical power?A. The ohmB. The wattC. The voltD. The ampere T5C09 @N5D14 (A)What happens to a signal's wavelength as its frequency increases?A. It gets shorterB. It gets longerC. It stays the sameD. It disappears T5C10 @N5D03 (A)What is the name of a current that flows back and forth, first in one direction, then in the opposite direction?A. An alternating currentB. A direct currentC. A rough currentD. A steady state current T5C11 @N5D01 (B)What is the name of a current that flows only in one direction?A. An alternating currentB. A direct currentC. A normal currentD. A smooth current SUBELEMENT T6 -- CIRCUIT COMPONENTS [2 Exam Questions -- 2 Groups] T6A Electrical function and/or schematic representation of resistor, switch, fuse, or battery; resistor construction types, variable and fixed, color code, power ratings, schematic symbols T6A01 @T6A02 (C)What does a variable resistor or potentiometer do?A. Its resistance changes when AC is applied to itB. It transforms a variable voltage into a constant voltageC. Its resistance changes when its slide or contact is movedD. Its resistance changes when it is heated T6A02 @T6A12 (A)Which symbol of Figure T6-1 represents a fixed resistor?A. Symbol 2B. Symbol 3C. Symbol 4D. Symbol 5 T6A03 @N6A02 (D)Why would you use a double-pole, single-throw switch?A. To switch one input to one outputB. To switch one input to either of two outputsC. To switch two inputs at the same time, one input to either of two outputs, and the other input to either of two outputsD. To switch two inputs at the same time, one input to one output, and the other input to the other output T6A04 @N6A10 (A) In Figure N6-2, which symbol represents a single-pole, single-throw switch?A. Symbol 1B. Symbol 2C. Symbol 3D. Symbol 4 T6A05 @N6A03 (D)Why would you use a fuse?A. To create a short circuit when there is too much current in a circuitB. To change direct current into alternating currentC. To change alternating current into direct currentD. To create an open circuit when there is too much current in a circuit T6A06 @N6A08 (A) In Figure N6-1, which symbol represents a fuse?A. Symbol 1B. Symbol 3C. Symbol 5D. Symbol 7 T6A07 @N6A04 (A) Which of these components has a positive and a negative side?A. A batteryB. A potentiometerC. A fuseD. A resistor T6A08 @N6A09 (D) In Figure N6-1, which symbol represents a single-cell battery?A. Symbol 7B. Symbol 5C. Symbol 1D. Symbol 4 T6A09 @T6A08 (C)Why would a large size resistor be used instead of a smaller one of the same resistance value?A. For better response timeB. For a higher current gainC. For greater power dissipationD. For less impedance in the circuit T6A10 @T6A05 (A)What do the first three color bands on a resistor indicate?A. The value of the resistor in ohmsB. The resistance tolerance in percentC. The power rating in wattsD. The resistance material T6A11 @T6A10 (A)Which tolerance rating would indicate a high-precision resistor?A. 0.1%B. 5%C. 10%D. 20% T6B Electrical function and/or schematic representation of a ground, antenna, inductor, capacitor, transistor, integrated circuit; construction of variable and fixed inductors and capacitors; factors affecting inductance and capacitance T6B01 @N6B01 (A)Which component can amplify a small signal using low voltages?A. A PNP transistorB. A variable resistorC. An electrolytic capacitorD. A multiple-cell battery T6B02 @N6B03 (A)Which component is used to radiate radio energy?A. An antennaB. An earth groundC. A chassis groundD. A potentiometer T6B03 @N6B04 (D)In Figure N6-1, which symbol represents an earth ground?A. Symbol 2B. Symbol 5C. Symbol 6D. Symbol 8 T6B04 @N6B06 (D)In Figure N6-1, which symbol represents an antenna?A. Symbol 2B. Symbol 3C. Symbol 6D. Symbol 7 T6B05 @N6B07 (D)In Figure N6-3, which symbol represents an NPN transistor?A. Symbol 1B. Symbol 2C. Symbol 3D. Symbol 4 T6B06 @T6B01 (A)Which symbol of Figure T6-2 represents a fixed-value capacitor?A. Symbol 1B. Symbol 2C. Symbol 3D. Symbol 4 T6B07 @T6B06 (C)In Figure T6-2, which symbol represents a variable capacitor?A. Symbol 1B. Symbol 2C. Symbol 3D. Symbol 4 T6B08 @T6B08 (C)What does an inductor do?A. It stores energy electrostatically and opposes a change in voltageB. It stores energy electrochemically and opposes a change in currentC. It stores energy electromagnetically and opposes a change in currentD. It stores energy electromechanically and opposes a change in voltage T6B09 @T6B10 (A)As an iron core is inserted in a coil, what happens to the coil's inductance?A. It increasesB. It decreasesC. It stays the sameD. It disappears T6B10 @T6B13 (B)What does a capacitor do?A. It stores energy electrochemically and opposes a change in currentB. It stores energy electrostatically and opposes a change in voltageC. It stores energy electromagnetically and opposes a change in currentD. It stores energy electromechanically and opposes a change in voltage T6B11 @T6B14 (A)What determines the capacitance of a capacitor?A. The material between the plates, the area of one side of one plate, the number of plates and the spacing between the platesB. The material between the plates, the number of plates and the size of the wires connected to the platesC. The number of plates, the spacing between the plates and whether the dielectric material is N type or P typeD. The material between the plates, the area of one plate, the number of plates and the material used for the protective coating SUBELEMENT T7 -- PRACTICAL CIRCUITS [2 Exam Questions -- 2 Groups] T7A Functional layout of station components including transmitter, transceiver, receiver, power supply, antenna, antenna switch, antenna feed line, impedance-matching device, SWR meter; station layout and accessories for radiotelephone, radioteleprinter (RTTY) or packet T7A01 @N7A01 (B)What would you connect to your transceiver if you wanted to switch it between several antennas?A. A terminal-node switchB. An antenna switchC. A telegraph key switchD. A high-pass filter T7A02 @N7A03 (D)What connects your transceiver to your antenna?A. A dummy loadB. A ground wireC. The power cordD. A feed line T7A03 @N7A07 (A)If your mobile transceiver works in your car but not in your home, what should you check first?A. The power supplyB. The speakerC. The microphoneD. The SWR meter T7A04 @N7A08 (A)What does an antenna tuner do?A. It matches a transceiver output impedance to the antenna system impedanceB. It helps a receiver automatically tune in stations that are far awayC. It switches an antenna system to a transceiver when sending, and to a receiver when listeningD. It switches a transceiver between different kinds of antennas connected to one feed line T7A05 @N7A09 (B)In Figure N7-1, if block 1 is a transceiver and block 3 is a dummy antenna, what is block 2?A. A terminal-node switchB. An antenna switchC. A telegraph key switchD. A high-pass filter T7A06 @N7A11 (D)In Figure N7-1, if block 1 is a transceiver and block 2 is an antenna switch, what is block 3?A. A terminal-node switchB. An SWR meterC. A telegraph key switchD. A dummy antenna T7A07 @N7A13 (C)In Figure N7-2, if block 1 is a transceiver and block 3 is an antenna switch, what is block 2?A. A terminal-node switchB. A dipole antennaC. An SWR meterD. A high-pass filter T7A08 @N7A15 (B)In Figure N7-3, if block 1 is a transceiver and block 2 is an SWR meter, what is block 3?A. An antenna switchB. An antenna tunerC. A key-click filterD. A terminal-node controller T7A09 @N7B05 (D)What would you connect to a transceiver for voice operation?A. A splatter filterB. A terminal-voice controllerC. A receiver audio filterD. A microphone T7A10 @N7B06 (A)What would you connect to a transceiver for RTTY operation?A. A modem and a teleprinter or computer systemB. A computer, a printer and a RTTY refresh unitC. A data-inverter controllerD. A modem, a monitor and a DTMF keypad T7A11 @N7B11 (B)In packet-radio operation, what equipment connects to a terminal-node controller?A. A transceiver and a modemB. A transceiver and a terminal or computer systemC. A DTMF keypad, a monitor and a transceiverD. A DTMF microphone, a monitor and a transceiver T7B Transmitter and receiver block diagrams; purpose and operation of low-pass, high-pass and band-pass filters T7B01 @T7A03 (D)What circuit uses a limiter and a frequency discriminator to produce an audio signal?A. A double-conversion receiverB. A variable-frequency oscillatorC. A superheterodyne receiverD. An FM receiver T7B02 @T7A04 (D)What circuit is pictured in Figure T7-1 if block 1 is a variable-frequency oscillator?A. A packet-radio transmitterB. A crystal-controlled transmitterC. A single-sideband transmitterD. A VFO-controlled transmitter T7B03 @T7A05 (A)What circuit is pictured in Figure T7-1 if block 1 is a crystal oscillator?A. A crystal-controlled transmitterB. A VFO-controlled transmitterC. A single-sideband transmitterD. A CW transceiver T7B04 @T7A08 (C)What type of circuit does Figure T7-2 represent if block 1 is a product detector?A. A simple phase modulation receiverB. A simple FM receiverC. A simple CW and SSB receiverD. A double-conversion multiplier T7B05 @T7A09 (D)If Figure T7-2 is a diagram of a simple single-sideband receiver, what type of circuit should be shown in block 1?A. A high pass filterB. A ratio detectorC. A low pass filterD. A product detector T7B06 @T7A10 (D)What circuit is pictured in Figure T7-3, if block 1 is a frequency discriminator?A. A double-conversion receiverB. A variable-frequency oscillatorC. A superheterodyne receiverD. An FM receiver T7B07 @T7A16 (C)Why do modern HF transmitters have a built-in low-pass filter in their RF output circuits?A. To reduce RF energy below a cutoff pointB. To reduce low-frequency interference to other amateursC. To reduce harmonic radiationD. To reduce fundamental radiation T7B08 @T7A17 (A)What circuit blocks RF energy above and below certain limits?A. A band-pass filterB. A high-pass filterC. An input filterD. A low-pass filter T7B09 @T7A18 (A)What type of filter is used in the IF section of receivers to block energy outside a certain frequency range?A. A band-pass filterB. A high-pass filterC. An input filterD. A low-pass filter T7B10 @T7A19 (C)What circuit function is found in all types of receivers?A. An audio filterB. A beat-frequency oscillatorC. A detectorD. An RF amplifier T7B11 @T7A20 (D)What would you use to connect a dual-band antenna to a mobile transceiver which has separate VHF and UHF outputs?A. A dual-needle SWR meterB. A full-duplex phone patchC. Twin high-pass filtersD. A duplexer SUBELEMENT T8 -- SIGNALS AND EMISSIONS [2 Exam Questions -- 2 Groups] T8A RF carrier, definition and typical bandwidths; harmonics and unwanted signals; chirp; superimposed hum; equipment and adjustments to help reduce interference to others T8A01 @T8B02 (C)What is an RF carrier?A. The part of a transmitter that carries the signal to the transmitter antennaB. The part of a receiver that carries the signal from the antenna to the detectorC. A radio frequency signal that is modulated to produce a radiotelephone signalD. A modulation that changes a radio frequency signal to produce a radiotelephone signal T8A02 @T8B07 (C)Which list of emission types is in order from the narrowest bandwidth to the widest bandwidth?A. RTTY, CW, SSB voice, FM voiceB. CW, FM voice, RTTY, SSB voiceC. CW, RTTY, SSB voice, FM voiceD. CW, SSB voice, RTTY, FM voice T8A03 @T8B08 (D)What is the usual bandwidth of a single-sideband amateur signal?A. 1 kHzB. 2 kHzC. Between 3 and 6 kHzD. Between 2 and 3 kHz T8A04 @T8B09 (C)What is the usual bandwidth of a frequency-modulated amateur signal?A. Less than 5 kHzB. Between 5 and 10 kHzC. Between 10 and 20 kHzD. Greater than 20 kHz T8A05 @T8A02 (C)What is the name for emissions produced by switching a transmitter's output on and off?A. PhoneB. TestC. CWD. RTTY T8A06 @T8A03 (B) What term describes the process of combining an information signal with a radio signal?A. Superposition B. ModulationC. DemodulationD. Phase-inversion T8A07 @T8B11 (B)What is the result of over deviation in an FM transmitter?A. Increased transmitter powerB. Out-of-channel emissionsC. Increased transmitter rangeD. Poor carrier suppression T8A08 @T8B12 (C)What causes splatter interference?A. Keying a transmitter too fastB. Signals from a transmitter's output circuit are being sent back to its input circuitC. Overmodulation of a transmitterD. The transmitting antenna is the wrong length T8A09 @N8B01 (C)How does the frequency of a harmonic compare to the desired transmitting frequency?A. It is slightly more than the desired frequencyB. It is slightly less than the desired frequencyC. It is exactly two, or three, or more times the desired frequencyD. It is much less than the desired frequency T8A10 @N8B15 (B)What should you check if you change your transceiver's microphone from a mobile type to a base station type?A. Check the CTCSS levels on the oscilloscopeB. Make an on-the-air radio check to ensure the quality of your signalC. Check the amount of current the transceiver is now usingD. Check to make sure the frequency readout is now correct T8A11 @N8B16 (C)Why is good station grounding needed when connecting your computer to your transceiver to receive high-frequency data signals?A. Good grounding raises the receiver's noise floorB. Good grounding protects the computer from nearby lightning strikesC. Good grounding will minimize stray noise on the receiverD. FCC rules require all equipment to be grounded T8B Concepts and types of modulation: CW, phone, RTTY and data emission types; FM deviation T8B01 @T8A04 (B)What is the name for packet-radio emissions?A. CWB. DataC. PhoneD. RTTY T8B02 @T8A06 (D)What is the name of the voice emission most used on VHF/UHF repeaters?A. Single-sideband phoneB. Pulse-modulated phoneC. Slow-scan phoneD. Frequency-modulated phone T8B03 @T8A08 (A)What is meant by the upper-sideband (USB)?A. The part of a single-sideband signal that is above the carrier frequencyB. The part of a single-sideband signal that is below the carrier frequencyC. Any frequency above 10 MHzD. The carrier frequency of a single-sideband signal T8B04 @N8A06 (C) What does the term "phone transmissions" usually mean?A. The use of telephones to set up an amateur contactB. A phone patch between amateur radio and the telephone systemC. AM, FM or SSB voice transmissions by radiotelephonyD. Placing the telephone handset near a transceiver's microphone and speaker to relay a telephone call T8B05 @N8A07 (A)How is an HF RTTY signal usually produced?A. By frequency-shift keying an RF signalB. By on/off keying an RF signalC. By digital pulse-code keying of an unmodulated carrierD. By on/off keying an audio-frequency signal T8B06 @N8A11 (D)What are two advantages to using modern data-transmission techniques for communications?A. Very simple and low-cost equipmentB. No parity-checking required and high transmission speedC. Easy for mobile stations to use and no additional cabling requiredD. High transmission speed and communications reliability T8B07 @N8A05 (A)Which sideband is commonly used for 10-meter phone operation?A. Upper sidebandB. Lower sidebandC. Amplitude-compandored sidebandD. Double sideband T8B08 @N8B11 (D)What can you do if you are told your FM hand-held or mobile transceiver is over-deviating?A. Talk louder into the microphoneB. Let the transceiver cool offC. Change to a higher power levelD. Talk farther away from the microphone T8B09 @N8B12 (C)What does chirp mean?A. An overload in a receiver's audio circuit whenever CW is receivedB. A high-pitched tone that is received along with a CW signalC. A small change in a transmitter's frequency each time it is keyedD. A slow change in transmitter frequency as the circuit warms up SUBELEMENT T9 -- ANTENNAS AND FEED LINES [2 Exam Questions -- 2 Groups] T9A Wavelength vs. antenna length; 1/2 wavelength dipole and 1/4 wavelength vertical antennas; multiband antennas T9A01 @N9A01 (D)How do you calculate the length (in feet) of a half-wavelength dipole antenna?A. Divide 150 by the antenna's operating frequency (in MHz) [150/f(in MHz)]B. Divide 234 by the antenna's operating frequency (in MHz) [234/f (in MHz)]C. Divide 300 by the antenna's operating frequency (in MHz) [300/f (in MHz)]D. Divide 468 by the antenna's operating frequency (in MHz) [468/f (in MHz)] T9A02 @N9A02 (B)How do you calculate the length (in feet) of a quarter-wavelength vertical antenna?A. Divide 150 by the antenna's operating frequency (in MHz) [150/f (in MHz)]B. Divide 234 by the antenna's operating frequency (in MHz) [234/f (in MHz)]C. Divide 300 by the antenna's operating frequency (in MHz) [300/f (in MHz)]D. Divide 468 by the antenna's operating frequency (in MHz) [468/f (in MHz)] T9A03 New (C)How long should you make a quarter-wavelength vertical antenna for 440 MHz (measured to the nearest inch)?A. 12 inchesB. 9 inchesC. 6 inchesD. 3 inches T9A04 New (A)How long should you make a quarter-wavelength vertical antenna for 28.450 MHz (measured to the nearest foot)?A. 8 ftB. 12 ftC. 16 ftD. 24 ft T9A05 New (C)How long should you make a quarter-wavelength vertical antenna for 146 MHz (measured to the nearest inch)?A. 112 inchesB. 50 inchesC. 19 inchesD. 12 inches T9A06 @N9A08 (A)If an antenna is made longer, what happens to its resonant frequency?A. It decreasesB. It increasesC. It stays the sameD. It disappears T9A07 @N9A09 (B)If an antenna is made shorter, what happens to its resonant frequency?A. It decreasesB. It increasesC. It stays the sameD. It disappears T9A08 @N9A10 (A)How could you decrease the resonant frequency of a dipole antenna?A. Lengthen the antennaB. Shorten the antennaC. Use less feed lineD. Use a smaller size feed line T9A09 @N9A11 (B)How could you increase the resonant frequency of a dipole antenna?A. Lengthen the antennaB. Shorten the antennaC. Use more feed lineD. Use a larger size feed line T9A10 @N9A12 (A)What is one advantage to using a multiband antenna?A. You can operate on several bands with a single feed lineB. Multiband antennas always have high gainC. You can transmit on several frequencies simultaneouslyD. Multiband antennas offer poor harmonic suppression T9A11 @N9A13 (D)What is one disadvantage to using a multiband antenna?A. It must always be used with a balunB. It will always have low gainC. It cannot handle high powerD. It can radiate unwanted harmonics T9B Parasitic beam directional antennas; polarization, impedance matching and SWR, feed lines, balanced vs. unbalanced (including baluns) T9B01 @T9A01 (C)What is a directional antenna?A. An antenna that sends and receives radio energy equally well in all directionsB. An antenna that cannot send and receive radio energy by skywave or skip propagationC. An antenna that sends and receives radio energy mainly in one directionD. An antenna that uses a directional coupler to measure power transmitted T9B02 @T9A02 (A)How is a Yagi antenna constructed?A. Two or more straight, parallel elements are fixed in line with each otherB. Two or more square or circular loops are fixed in line with each otherC. Two or more square or circular loops are stacked inside each otherD. A straight element is fixed in the center of three or more elements that angle toward the ground T9B03 @T9A04 (B)How many directly driven elements do most parasitic beam antennas have?A. NoneB. OneC. TwoD. Three T9B04 @T9A05 (A)What is a parasitic beam antenna?A. An antenna in which some elements obtain their radio energy by induction or radiation from a driven elementB. An antenna in which wave traps are used to magnetically couple the elementsC. An antenna in which all elements are driven by direct connection to the feed lineD. An antenna in which the driven element obtains its radio energy by induction or radiation from director elements T9B05 @T9A06 (D)What are the parasitic elements of a Yagi antenna?A. The driven element and any reflectorsB. The director and the driven elementC. Only the reflectors (if any)D. Any directors or any reflectors T9B06 @T9A07 (B)What is a cubical quad antenna?A. Four straight, parallel elements in line with each other, each approximately 1/2-electrical wavelength longB. Two or more parallel four-sided wire loops, each approximately one-electrical wavelength longC. A vertical conductor 1/4-electrical wavelength high, fed at the bottomD. A center-fed wire 1/2-electrical wavelength long T9B07 @T9A10 (D)What type of non-directional antenna is easy to make at home and works well outdoors?A. A YagiB. A delta loopC. A cubical quadD. A ground plane T9B08 @T9B06 (D)What electromagnetic-wave polarization does most man-made electrical noise have in the HF and VHF spectrum?A. HorizontalB. Left-hand circularC. Right-hand circularD. Vertical T9B09 @T9B09 (D)What does standing-wave ratio mean?A. The ratio of maximum to minimum inductances on a feed lineB. The ratio of maximum to minimum capacitances on a feed lineC. The ratio of maximum to minimum impedances on a feed lineD. The ratio of maximum to minimum voltages on a feed line T9B10 @N9C12 (A)Where would you install a balun to feed a dipole antenna with 50-ohm coaxial cable?A. Between the coaxial cable and the antennaB. Between the transmitter and the coaxial cableC. Between the antenna and the groundD. Between the coaxial cable and the ground T9B11 @N9C02 (B)Why does coaxial cable make a good antenna feed line?A. You can make it at home, and its impedance matches most amateur antennasB. It is weatherproof, and it can be used near metal objectsC. It is weatherproof, and its impedance is higher than that of most amateur antennasD. It can be used near metal objects, and its impedance is higher than that of most amateur antennas SUBELEMENT T0 -- RF SAFETY [3 Exam Questions -- 3 Groups] T0A RF safety fundamentals, terms and definitions T0A01 @T0A01 (B) Why is it a good idea to adhere to the FCC's Rules for using the minimum power needed when you are transmitting with your hand-held radio?A. Large fines are always imposed on operators violating this ruleB. To reduce the level of RF radiation exposure to the operator's headC. To reduce calcification of the NiCd battery packD. To eliminate self oscillation in the receiver RF amplifier T0A02 @T0A02 (D)Over what frequency range are the FCC Regulations most stringent for RF radiation exposure?A. Frequencies below 300 kHzB. Frequencies between 300 kHz and 3 MHzC. Frequencies between 3 MHz and 30 MHzD. Frequencies between 30 MHz and 300 MHz T0A03 @T0A03 (C) What is one biological effect to the eye that can result from RF exposure?A. The strong magnetic fields can cause blurred visionB. The strong magnetic fields can cause polarization lensC. It can cause heating, which can result in the formation of cataractsD. It can cause heating, which can result in astigmatism T0A04 @T0A05 (C) In the far field, as the distance from the source increases, how does power density vary?A. The power density is proportional to the square of the distanceB. The power density is proportional to the square root of the distanceC. The power density is proportional to the inverse square of the distanceD. The power density is proportional to the inverse cube of the distance T0A05 @T0A06 (D) In the near field, how does the field strength vary with distance from the source?A. It always increases with the cube of the distanceB. It always decreases with the cube of the distanceC. It varies as a sine wave with distanceD. It depends on the type of antenna being used T0A06 @T0A09 (A) Why should you never look into the open end of a microwave feed horn antenna while the transmitter is operating?A. You may be exposing your eyes to more than the maximum permissible exposure of RF radiationB. You may be exposing your eyes to more than the maximum permissible exposure level of infrared radiationC. You may be exposing your eyes to more than the maximum permissible exposure level of ultraviolet radiationD. All of these choices are correct T0A07 @T0A10 (D) Why are Amateur Radio operators required to meet the FCC RF radiation exposure limits?A. The standards are applied equally to all radio servicesB. To ensure that RF radiation occurs only in a desired directionC. Because amateur station operations are more easily adjusted than those of commercial radio servicesD. To ensure a safe operating environment for amateurs, their families and neighbors T0A08 @T0A11 (A) Why are the maximum permissible exposure (MPE) levels not uniform throughout the radio spectrum?A. The human body absorbs energy differently at various frequenciesB. Some frequency ranges have a cooling effect while others have a heating effect on the bodyC. Some frequency ranges have no effect on the bodyD. Radiation at some frequencies can have a catalytic effect on the body T0A09 @T0B01 (C) What does the term "specific absorption rate" or SAR mean?A. The degree of RF energy consumed by the ionosphereB. The rate at which transmitter energy is lost because of a poor feed lineC. The rate at which RF energy is absorbed into the human bodyD. The amount of signal weakening caused by atmospheric phenomena T0A10 @T0B04 (D) On what value are the maximum permissible exposure (MPE) limits based?A. The square of the mass of the exposed bodyB. The square root of the mass of the exposed bodyC. The whole-body specific gravity (WBSG)D. The whole-body specific absorption rate (SAR) T0B RF safety rules and guidelines T0B01 @T0C09 (C)Where will you find the applicable FCC RF radiation maximum permissible exposure (MPE) limits defined?A. FCC Part 97 Amateur Service Rules and RegulationsB. FCC Part 15 Radiation Exposure Rules and RegulationsC. FCC Part 1 and Office of Engineering and Technology (OET) Bulletin 65D. Environmental Protection Agency Regulation 65 T0B02 @T0C10 (A)What factors must you consider if your repeater station antenna will be located at a site that is occupied by antennas for transmitters in other services?A. Your radiated signal must be considered as part of the total RF radiation from the site when determining RF radiation exposure levelsB. Each individual transmitting station at a multiple transmitter site must meet the RF radiation exposure levelsC. Each station at a multiple-transmitter site may add no more than 1% of the maximum permissible exposure (MPE) for that siteD. Amateur stations are categorically excluded from RF radiation exposure evaluation at multiple-transmitter sites T0B03 @N0C05 (D) To determine compliance with the maximum permitted exposure (MPE) levels, safe exposure levels for RF energy are averaged for an "uncontrolled" RF environment over what time period?A. 6 minutesB. 10 minutesC. 15 minutesD. 30 minutes T0B04 @N0C06 (A) To determine compliance with the maximum permitted exposure (MPE) levels, safe exposure levels for RF energy are averaged for a "controlled" RF environment over what time period?A. 6 minutesB. 10 minutesC. 15 minutesD. 30 minutes T0B05 @T0C11 (B)Which of the following categories describes most common amateur use of a hand-held transceiver?A. Mobile devicesB. Portable devicesC. Fixed devicesD. None of these choices is correct T0B06 @N0C15 (A)*Modified A for new rulesHow does an Amateur Radio operator demonstrate that he or she has read and understood the FCC rules about RF-radiation exposure?A. By indicating his or her understanding of this requirement on an amateur license application form at the time of applicationB. By posting a copy of Part 97 at the stationC. By completing an FCC Environmental Assessment FormD. By completing an FCC Environmental Impact Statement T0B07 @N0C01 (D)What amateur stations must comply with the requirements for RF radiation exposure spelled out in Part 97?A. Stations with antennas that exceed 10 dBi of gain.B. Stations that have a duty cycle greater than 50 percent.C. Stations that run more than 50 watts peak envelope power(PEP)D. All amateur stations regardless of power T0B08 @N0C02 (C)Who is responsible for ensuring that an amateur station complies with FCC Rules about RF radiation exposure?A. The Federal Communications CommissionB. The Environmental Protection AgencyC. The licensee of the amateur stationD. The Food and Drug Administration T0B09 @T0B05 (C) Why do exposure limits vary with frequency?A. Lower-frequency RF fields have more energy than higher-frequency fieldsB. Lower-frequency RF fields penetrate deeper into the body than higher-frequency fieldsC. The body's ability to absorb RF energy varies with frequencyD. It is impossible to measure specific absorption rates at some frequencies T0B10 @T0B06 (A) Why is the concept of "duty cycle" one factor used to determine safe RF radiation exposure levels?A. It takes into account the amount of time the transmitter is operating at full power during a single transmissionB. It takes into account the transmitter power supply ratingC. It takes into account the antenna feed line lossD. It takes into account the thermal effects of the final amplifier T0B11 @T0B11 (D)From an RF safety standpoint, what impact does the duty cycle have on the minimum safe distance separating an antenna and the neighboring environment?A. The lower the duty cycle, the shorter the compliance distanceB. The compliance distance is increased with an increase in the duty cycleC. Lower duty cycles subject the environment to lower radio-frequency radiation cyclesD. All of these answers are correct T0C Routine station evaluation (Practical applications for VHF/UHF and above operations) T0C01 @T0D01 (A)If you do not have the equipment to measure the RF power densities present at your station, what might you do to ensure compliance with the FCC RF radiation exposure limits?A. Use one or more of the methods included in the amateur supplement to FCC OET Bulletin 65B. Call an FCC-Certified Test Technician to perform the measurements for youC. Reduce power from 200 watts PEP to 100 watts PEPD. Operate only low-duty-cycle modes such as FM T0C02 @T0D04 (D)Is it necessary for you to perform mathematical calculations of the RF radiation exposure if your station transmits with more than 50 watts peak envelope power (PEP)?A. Yes, calculations are always required to ensure greatest accuracyB. Calculations are required if your station is located in a densely populated neighborhoodC. No, calculations may not give accurate results, so measurements are always requiredD. No, there are alternate means to determine if your station meets the RF radiation exposure limits T0C03 @N0E04 (B)Why should you make sure the antenna of a hand-held transceiver is not too close to your head when transmitting?A. To help the antenna radiate energy equally in all directionsB. To reduce your exposure to the radio-frequency energyC. To use your body to reflect the signal in one directionD. To keep electrostatic charges from harming the operator T0C04 @N0E05 (A)What should you do for safety if you put up a UHF transmitting antenna?A. Make sure the antenna will be in a place where no one can get near it when you are transmittingB. Make sure that RF field screens are in placeC. Make sure the antenna is near the ground to keep its RF energy pointing in the correct directionD. Make sure you connect an RF leakage filter at the antenna feed point T0C05 @N0E06 (A)How should you position the antenna of a hand-held transceiver while you are transmitting?A. Away from your head and away from othersB. Towards the station you are contactingC. Away from the station you are contactingD. Down to bounce the signal off the ground T0C06 @N0E07 (B)Why should your antennas be located so that no one can touch them while you are transmitting?A. Touching the antenna might cause television interferenceB. Touching the antenna might cause RF burnsC. Touching the antenna might cause it to radiate harmonicsD. Touching the antenna might cause it to go into self-oscillation T0C07 @T0E01 (B)For the lowest RF radiation exposure to passengers, where would you mount your mobile antenna?A. On the trunk lidB. On the roofC. On a front fender opposite the broadcast radio antennaD. On one side of the rear bumper T0C08 @T0E02 (C)What should you do for safety before removing the shielding on a UHF power amplifier?A. Make sure all RF screens are in place at the antenna feed lineB. Make sure the antenna feed line is properly groundedC. Make sure the amplifier cannot accidentally be turned onD. Make sure that RF leakage filters are connected T0C09 @T0E03 (C)Why might mobile transceivers produce less RF radiation exposure than hand-held transceivers in mobile operations?A. They do not produce less exposure because they usually have higher power levels.B. They have a higher duty cycleC. When mounted on a metal vehicle roof, mobile antennas are generally well shielded from vehicle occupantsD. Larger transmitters dissipate heat and energy more readily T0C10 @T0E04 (B) What are some reasons you should never operate a power amplifier unless its covers are in place?A. To maintain the required high operating temperatures of the equipment and reduce RF radiation exposureB. To reduce the risk of shock from high voltages and reduce RF radiation exposureC. To ensure that the amplifier will go into self oscillation and to minimize the effects of stray capacitanceD. To minimize the effects of stray inductance and to reduce the risk of shock from high voltages Back to Pro Radio Scanner Home