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- 1. What is the control point of an amateur station?
- A. The operating position of an Amateur Radio station where the control
- operator function is performed
- B. The operating position of any Amateur Radio station operating as a
- repeater user station
- C. The physical location of any Amateur Radio transmitter, even if it
- is operated by radio link from some other location
- D. The variable frequency oscillator (VFO) of the transmitter
- 2. What is the term for the operating position of an amateur station where
- the control operator function is performed?
- A. The operating desk
- B. The control point
- C. The station location
- D. The manual control location
- 3. What are the HF privileges authorized to a Technician control operator?
- A. 3700 to 3750 kHz, 7100 to 7150 kHz (7050 to 7075 kHz when terrestrial
- station location is in Alaska or Hawaii or outside Region 2), 14,100 to
- 14,150 kHz, 21,100 to 21,150 kHz, and 28,100 to 28,150 kHz only
- B. 3700 to 3750 kHz, 7100 to 7150 kHz (7050 to 7075 kHz when terrestrial
- station location is in Alaska or Hawaii or outside Region 2), 21,100 to
- 21,200 kHz, and 28,100 to 28,500 kHz only
- C. 28,000 to 29,700 kHz only
- D. 3700 to 3750 kHz, 7100 to 7150 kHz (7050 to 7075 kHz when terrestrial
- station location is in Alaska or Hawaii or outside Region 2), and 21,100 to
- 21,200 kHz only
- 4. Which operator licenses authorize privileges on 52.525 MHz?
- A. Extra, Advanced only
- B. Extra, Advanced, General only
- C. Extra, Advanced, General, Technician only
- D. Extra, Advanced, General, Technician, Novice
- 5. Which operator licenses authorize privileges on 146.52 MHz?
- A. Extra, Advanced, General, Technician, Novice
- B. Extra, Advanced, General, Technician only
- C. Extra, Advanced, General only
- D. Extra, Advanced only
- 6. Which operator licenses authorize privileges on 223.50 MHz?
- A. Extra, Advanced, General, Technician, Novice
- B. Extra, Advanced, General, Technician only
- C. Extra, Advanced, General only
- D. Extra, Advanced only
- 7. Which operator licenses authorize privileges on 446.0 MHz?
- A. Extra, Advanced, General, Technician, Novice
- B. Extra, Advanced, General, Technician only
- C. Extra, Advanced, General only
- D. Extra, Advanced only
- 8. How often do Amateur Radio operator and station licenses need to be
- renewed?
- A. Every 10 years
- B. Every 5 years
- C. Every 2 years
- D. They are lifetime licenses
- 9. The FCC currently issues amateur licenses carrying 10-year terms. What
- is the "grace period" during which the FCC will renew an expired 10-year
- license?
- A. 2 years
- B. 5 years
- C. 10 years
- D. There is no grace period
- 10. How do you modify an Amateur Radio operator and station license?
- A. Properly fill out FCC Form 610 and send it to the FCC in Gettysburg,
- Pa
- B. Properly fill out FCC Form 610 and send it to the nearest FCC field
- office
- C. Write the FCC at their nearest field office
- D. There is no need to modify an amateur license between renewals
- 11. On what frequencies within the 6-meter band may emission F3E be
- transmitted?
- A. 50.0-54.0 MHz only
- B. 50.1-54.0 MHz only
- C. 51.0-54.0 MHz only
- D. 52.0-54.0 MHz only
- 12. On what frequencies within the 2-meter band may emission F3F be
- transmitted?
- A. 144.1-148.0 MHz only
- B. 146.0-148.0 MHz only
- C. 144.0-148.0 MHz only
- D. 146.0-147.0 MHz only
- 13. What emission mode may always be used for station identification,
- regardless of the transmitting frequency?
- A. A1A
- B. F1B
- C. A2B
- D. A3E
- 14. What is the nearest to the band edge the transmitting frequency should
- be set?
- A. 3 kHz for single sideband and 1 kHz for CW
- B. 1 kHz for single sideband and 3 kHz for CW
- C. 1.5 kHz for single sideband and 0.05 kHz for CW
- D. As near as the operator desires, providing that no sideband,
- harmonic, or spurious emission (in excess of that legally permitted) falls
- outside the band
- 15. When selecting the transmitting frequency, what allowance should be made
- for sideband emissions resulting from keying or modulation?
- A. The sidebands must be adjacent to the authorized Amateur Radio
- frequency band in use
- B. The sidebands must be harmonically-related frequencies that fall
- outside of the Amateur Radio frequency band in use
- C. The sidebands must be confined within the authorized Amateur Radio
- frequency band occupied by the carrier
- D. The sidebands must fall outside of the Amateur Radio frequency band
- in use so as to prevent interference to other Amateur Radio stations
- 16. FCC Rules specify the maximum transmitter power that you may use with
- your Amateur Radio station. At what point in your station is the transmitter
- power measured?
- A. By measuring the final amplifier supply voltage inside the
- transmitter or amplifier
- B. By measuring the final amplifier supply current inside the
- transmitter or amplifier
- C. At the antenna terminals of the transmitter or amplifier
- D. On the antenna itself, after the feed line
- 17. What is the term used to define the average power during one radio-
- frequency cycle at the crest of the modulation envelope?
- A. Peak transmitter power
- B. Peak output power
- C. Average radio-frequency power
- D. Peak envelope power
- 18. Notwithstanding the numerical limitations in the FCC Rules, how much
- transmitting power shall be used by an amateur station?
- A. There is no regulation other than the numerical limits
- B. The minimum power level required to achieve S9 signal reports
- C. The minimum power necessary to carry out the desired communication
- D. The maximum power available, as long as it is under the allowable
- limit
- 19. What is the maximum transmitting power permitted an amateur station on
- 146.52 MHz?
- A. 200 watts PEP output
- B. 500 watts ERP
- C. 1000 watts DC input
- D. 1500 watts PEP output
- 20. What is the maximum transmitting power permitted an amateur station in
- beacon operation?
- A. 10 watts PEP output
- B. 100 watts PEP output
- C. 500 watts PEP output
- D. 1500 watts PEP output
- 21. What is the maximum sending speed permitted for an emission F1B
- transmission between 28 and 50 MHz?
- A. 56 kilobauds
- B. 19.6 kilobauds
- C. 1200 bauds
- D. 300 bauds
- 22. What is the maximum sending speed permitted for an emission F1B
- transmission between 50 and 220 MHz?
- A. 56 kilobauds
- B. 19.6 kilobauds
- C. 1200 bauds
- D. 300 bauds
- 23. What is the maximum sending speed permitted for an emission F1B
- transmission above 220 MHz?
- A. 300 bauds
- B. 1200 bauds
- C. 19.6 kilobauds
- D. 56 kilobauds
- 24. What is the maximum frequency shift permitted for emission F1B when
- transmitted below 50 MHz?
- A. 100 Hz
- B. 500 Hz
- C. 1000 Hz
- D. 5000 Hz
- 25. What is the maximum frequency shift permitted for emission F1B when
- transmitted above 50 MHz?
- A. 100 Hz or the sending speed, in bauds, whichever is greater
- B. 500 Hz or the sending speed, in bauds, whichever is greater
- C. 1000 Hz or the sending speed, in bauds, whichever is greater
- D. 5000 Hz or the sending speed, in bauds, whichever is greater
- 26. What is the maximum bandwidth permitted an amateur station transmission
- between 50 and 220 MHz using a non-standard digital code?
- A. 20 kHz
- B. 50 kHz
- C. 80 kHz
- D. 100 kHz
- 27. What is the maximum bandwidth permitted an amateur station transmission
- between 220 and 902 MHz using a non-standard digital code?
- A. 20 kHz
- B. 50 kHz
- C. 80 kHz
- D. 100 kHz
- 28. What is the maximum bandwidth permitted an amateur station transmission
- above 902 MHz using a non-standard digital code?
- A. 20 kHz
- B. 100 kHz
- C. 200 kHz, as defined by Section 97.66 (g)
- D. Any bandwidth, providing that the emission is in accordance with
- section 97.63 (b) and 97.73 (c)
- 29. How must a newly-upgraded Technician control operator with a Certificate
- of Successful Completion of Examination identify the station while it is
- transmitting on 146.34 MHz pending receipt of a new operator license?
- A. The new Technician may not operate on 146.34 until his or her new
- license arrives
- B. The licensee gives his or her call sign, followed by the word
- "temporary" and the identifier code shown on the certificate of successful
- completion
- C. No special form of identification is needed
- D. The licensee gives his or her call sign and states the location of
- the VE examination where he or she obtained the certificate of successful
- completion
- 30. Which language(s) must be used when making the station identification
- by telephony?
- A. The language being used for the contact may be used if it is not
- English, providing the US has a third-party traffic agreement with that
- country
- B. English must be used for identification
- C. Any language may be used, if the country which uses that language is
- a member of the International Telecommunication Union
- D. The language being used for the contact must be used for
- identification purposes
- 31. What aid does the FCC recommend to assist in station identification when
- using telephony?
- A. A speech compressor
- B. Q signals
- C. An internationally recognized phonetic alphabet
- D. Distinctive phonetics, made up by the operator and easy to remember
- 32. What is the term used to describe a one-way radio communication
- conducted in order to facilitate measurement of radio equipment charac-
- teristics, adjustment of radio equipment or observation of propagation
- phenomena?
- A. Beacon operation
- B. Repeater operation
- C. Auxiliary operation
- D. Radio control operation
- 33. What class of Amateur Radio operator license must you hold to operate
- a beacon station?
- A. Technician, General, Advanced or Amateur Extra class
- B. General, Advanced or Amateur Extra class
- C. Amateur Extra class only
- D. Any license class
- 34. What is the maximum mean output power an amateur station is permitted
- in order to operate under the special rules for radio control of remote model
- craft and vehicles?
- A. One watt
- B. One milliwatt
- C. Two watts
- D. Three watts
- 35. What information must be indicated on the writing affixed to the
- transmitter in order to operate under the special rules for radio control of
- remote model craft and vehicles?
- A. Station call sign
- B. Station call sign and operating times
- C. Station call sign and licensee's name and address
- D. Station call sign, class of license, and operating times
- 36. What are the station identification requirements for an amateur station
- operated under the special rules for radio control of remote model craft and
- vehicles?
- A. Once every ten minutes, and at the beginning and end of each
- transmission
- B. Once every ten minutes
- C. At the beginning and end of each transmission
- D. Station identification is not required
- 37. Where must the writing indicating the station call sign and the
- licensee's name and address be affixed in order to operate under the special
- rules for radio control of remote model craft and vehicles?
- A. It must be in the operator's possession
- B. It must be affixed to the transmitter
- C. It must be affixed to the craft or vehicle
- D. It must be filed with the nearest FCC Field Office
- 38. What is an amateur emergency communication?
- A. An Amateur Radio communication directly relating to the immediate
- safety of life of individuals or the immediate protection of property
- B. A communication with the manufacturer of the amateur's equipment in
- case of equipment failure
- C. The only type of communication allowed in the Amateur Radio Service
- D. A communication that must be left to the Public Safety Radio
- Services; for example, police and fire officials
- 39. What is the term for an Amateur Radio communication directly related to
- the immediate safety of life of an individual?
- A. Immediate safety communication
- B. Emergency communication
- C. Third-party communication
- D. Individual communication
- 40. What is the term for an Amateur Radio communication directly related to
- the immediate protection of property?
- A. Emergency communication
- B. Immediate communication
- C. Property communication
- D. Priority traffic
- 41. Under what circumstances does the FCC declare that a general state of
- communications emergency exists?
- A. When a declaration of war is received from Congress
- B. When the maximum usable frequency goes above 28 MHz
- C. When communications facilities in Washington, DC, are disrupted
- D. In the event of an emergency disrupting normally available
- communication facilities in any widespread area(s)
- 42. How does an amateur operator request the FCC to declare that a general
- state of communications emergency exists?
- A. Communication with the FCC Engineer-In-Charge of the affected area
- B. Communication with the US senator or congressman for the area
- affected
- C. Communication with the local Emergency Coordinator
- D. Communication with the Chief of the FCC Private Radio Bureau
- 43. What type of instructions are included in an FCC declaration of a
- general state of communications emergency?
- A. Designation of the areas affected and of organizations authorized to
- use radio communications in the affected area
- B. Designation of amateur frequency bands for use only by amateurs
- participating in emergency communications in the affected area, and complete
- suspension of Novice operating privileges for the duration of the emergency
- C. Designation of the areas affected and specification of the amateur
- frequency bands or segments of such bands for use only by amateurs
- participating in emergency communication within or with such affected area(s)
- D. Suspension of amateur rules regarding station identification and
- business communication
- 44. During an FCC-declared general state of communications emergency, how
- must the operation by, and with, amateur stations in the area concerned be
- conducted?
- A. All transmissions within all designated amateur communications bands
- other than communications relating directly to relief work, emergency
- service, or the establishment and maintenance of efficient Amateur Radio net-
- works for the handling of such communications shall be suspended
- B. Operations shall be governed by part 97.93 of the FCC rules
- pertaining to emergency communications
- C. No amateur operation is permitted in the area during the duration of
- the declared emergency
- D. Operation by and with amateur stations in the area concerned shall
- be conducted in the manner the amateur concerned believes most effective to
- the speedy resolution of the emergency situation
- 45. What is meant by the term broadcasting?
- A. The dissemination of radio communications intended to be received by
- the public directly or by intermediary relay stations
- B. Retransmission by automatic means of programs or signals emanating
- from any class of station other than amateur
- C. The transmission of any one-way radio communication, regardless of
- purpose or content
- D. Any one-way or two-way radio communication involving more than two
- stations
- 46. What classes of station may be automatically retransmitted by an amateur
- station?
- A. FCC licensed commercial stations
- B. Federally or state-authorized Civil Defense stations
- C. Amateur Radio stations
- D. National Weather Service bulletin stations
- 47. Under what circumstances, if any, may a broadcast station retransmit the
- signals from an amateur station?
- A. Under no circumstances
- B. When the amateur station is not used for any activity directly
- related to program production or newsgathering for broadcast purposes
- C. If the station rebroadcasting the signal feels that such action would
- benefit the public
- D. When no other forms of communication exist
- 48. Under what circumstances, if any, may an amateur station retransmit a
- NOAA weather station broadcast?
- A. If the NOAA broadcast is taped and retransmitted later
- B. If a general state of communications emergency is declared by the FCC
- C. If permission is granted by NOAA for amateur retransmission of the
- broadcast
- D. Under no circumstances
- 49. Under what circumstances, if any, may an amateur station be used for an
- activity related to program production or news-gathering for broadcast
- purposes?
- A. The programs or news produced with the assistance of an amateur
- station must be taped for broadcast at a later time
- B. An amateur station may be used for newsgathering and program
- production only by National Public Radio
- C. Under no circumstances
- D. Programs or news produced with the assistance of an amateur station
- must mention the call sign of that station
- 50. What kinds of one-way communications by amateur stations are not
- considered broadcasting?
- A. All types of one-way communications by amateurs are considered by the
- FCC as broadcasting
- B. Beacon operation, radio-control operation, emergency communications,
- information bulletins consisting solely of subject matter relating to Amateur
- Radio, roundtable discussions and code-practice transmissions
- C. Only code-practice transmissions conducted simultaneously on all
- available amateur bands below 30 MHz and conducted for more than 40 hours per
- week are not considered broadcasting
- D. Only actual emergency communications during a declared communications
- emergency are exempt
- 51. What is a one-way radio communication?
- A. A communication in which propagation at the frequency in use supports
- signal travel in only one direction
- B. A communication in which different emissions are used in each
- direction
- C. A communication in which an amateur station transmits to and receives
- from a station in a radio service other than amateur
- D. A transmission to which no on-the-air response is desired or expected
- 52. What kinds of one-way information bulletins may be transmitted by
- amateur stations?
- A. NOAA weather bulletins
- B. Commuter traffic reports from local radio stations
- C. Regularly scheduled announcements concerning Amateur Radio equipment
- for sale or trade
- D. Bulletins consisting solely of information relating to Amateur Radio
- 53. What types of one-way Amateur Radio communications may be transmitted
- by an amateur station?
- A. Beacon operation, radio control, code practice, retransmission of
- other services
- B. Beacon operation, radio control, transmitting an unmodulated carrier,
- NOAA weather bulletins
- C. Beacon operation, radio control, information bulletins consisting
- solely of information relating to Amateur Radio, code practice and emergency
- communications
- D. Beacon operation, emergency-drill-practice transmissions, automatic
- retransmission of NOAA weather transmissions, code practice
- 54. What types of material compensation, if any, may be involved in third-
- party traffic transmitted by an amateur station?
- A. Payment of an amount agreed upon by the amateur operator and the
- parties involved
- B. Assistance in maintenance of auxiliary station equipment
- C. Donation of amateur equipment to the control operator
- D. No compensation may be accepted
- 55. What types of business communications, if any, may be transmitted by an
- amateur station on behalf of a third party?
- A. Section 97.57 specifically prohibits business communications in the
- Amateur Service
- B. Business communications involving the sale of Amateur Radio equipment
- C. Business communications involving an emergency, as defined in Part
- 97
- D. Business communications aiding a broadcast station
- 56. Does the FCC allow third-party messages when communicating with Amateur
- Radio operators in a foreign country?
- A. Third-party messages with a foreign country are only allowed on
- behalf of other amateurs.
- B. Yes, provided the third-party message involves the immediate family
- of one of the communicating amateurs
- C. Under no circumstances may US amateurs exchange third-party messages
- with an amateur in a foreign country
- D. Yes, when communicating with a person in a country with which the US
- shares a third-party agreement
- 57. Under what circumstances, if any, may a third party participate in radio
- communications from an amateur station?
- A. A control operator must be present and continuously monitor and
- supervise the radio communication to ensure compliance with the rules. In
- addition, contacts may only be made with amateurs in the US and countries
- with which the US has a third-party traffic agreement
- B. A control operator must be present and continuously monitor and
- supervise the radio communication to ensure compliance with the rules only
- if contacts are made with amateurs in countries with which the US has no
- third-party traffic agreement
- C. A control operator must be present and continuously monitor and
- supervise the radio communication to ensure compliance with the rules. In
- addition, the control operator must key the transmitter and make the station
- identification.
- D. A control operator must be present and continuously monitor and
- supervise the radio communication to ensure compliance with the rules. In
- addition, if contacts are made on frequencies below 30 MHz, the control
- operator must transmit the call signs of both stations involved in the
- contact at 10-minute intervals
- 58. Where must the control operator be situated when a third party is
- participating in radio communications from an amateur station?
- A. If a radio remote control is used, the control operator may be
- physically separated from the control point, when provisions are incorporated
- to shut off the transmitter by remote control
- B. If the control operator supervises the third party until he or she
- is satisfied of the competence of the third party, the control operator may
- leave the control point
- C. The control operator must stay at the control point for the entire
- time the third party is participating
- D. If the third party holds a valid radiotelegraph license issued by the
- FCC, no supervision is necessary
- 59. What must the control operator do while a third party is participating
- in radio communications?
- A. If the third party holds a valid commercial radiotelegraph license,
- no supervision is necessary
- B. The control operator must tune up and down 5 kHz from the
- transmitting frequency on another receiver, to ensure that no interference
- is taking place
- C. If a radio control link is available, the control operator may leave
- the room
- D. The control operator must continuously monitor and supervise the
- radio communication to ensure compliance with the rules
- 60. Under what circumstances, if any, may a third party assume the duties
- of the control operator of an amateur station?
- A. If the third party holds a valid commercial radiotelegraph license,
- he or she may act as control operator
- B. Under no circumstances may a third party assume the duties of control
- operator
- C. During Field Day, the third party may act as control operator
- D. An Amateur Extra class licensee may designate a third party as
- control operator, if the station is operated above 450 MHz
- 61. Under what circumstances, if any, may an amateur station transmit radio
- communications containing obscene words?
- A. Obscene words are permitted when they do not cause interference to
- any other radio communication or signal
- B. Obscene words are prohibited in Amateur Radio transmissions
- C. Obscene words are permitted when they are not retransmitted through
- repeater or auxiliary stations
- D. Obscene words are permitted, but there is an unwritten rule among
- amateurs that they should not be used on the air
- 62. Under what circumstances, if any, may an amateur station transmit radio
- communications containing indecent words?
- A. Indecent words are permitted when they do not cause interference to
- any other radio communication or signal
- B. Indecent words are permitted when they are not retransmitted through
- repeater or auxiliary stations
- C. Indecent words are permitted, but there is an unwritten rule among
- amateurs that they should not be used on the air
- D. Indecent words are prohibited in Amateur Radio transmissions
- 63. Under what circumstances, if any, may an amateur station transmit radio
- communications containing profane words?
- A. Profane words are permitted when they are not retransmitted through
- repeater or auxiliary stations
- B. Profane words are permitted, but there is an unwritten rule among
- amateurs that they should not be used on the air
- C. Profane words are prohibited in Amateur Radio transmissions
- D. Profane words are permitted when they do not cause interference to
- any other radio communication or signal
- 64. What classes of Amateur Radio operator license are eligible for earth
- operation in the Amateur-Satellite Service?
- A. Novice, Technician, General, Advanced and Amateur Extra class
- B. Technician, General, Advanced and Amateur Extra class
- C. General, Advanced and Amateur Extra class
- D. Amateur Extra class only
- 65. What is the meaning of: "Your report is five seven..."?
- A. Your signal is perfectly readable and moderately strong
- B. Your signal is perfectly readable, but weak
- C. Your signal is readable with considerable difficulty
- D. Your signal is perfectly readable with near pure tone
- 66. What is the meaning of: "Your report is three three..."?
- A. The contact is serial number thirty-three
- B. The station is located at latitude 33 degrees
- C. Your signal is readable with considerable difficulty and weak in
- strength
- D. Your signal is unreadable, very weak in strength
- 67. What is the meaning of: "Your report is five nine plus 20 dB..."?
- A. Your signal strength has increased by a factor of 100
- B. Repeat your transmission on a frequency 20 kHz higher
- C. The bandwidth of your signal is 20 decibels above linearity
- D. A relative signal-strength meter reading is 20 decibels greater than
- strength 9
- 68. How should a QSO be initiated through a station in repeater operation?
- A. Say "breaker, breaker 79"
- B. Call the desired station and then identify your own station
- C. Call "CQ" three times and identify three times
- D. Wait for a "CQ" to be called and then answer it
- 69. Why should users of a station in repeater operation pause briefly
- between transmissions?
- A. To check the SWR of the repeater
- B. To reach for pencil and paper for third party traffic
- C. To listen for any hams wanting to break in
- D. To dial up the repeater's autopatch
- 70. Why should users of a station in repeater operation keep their
- transmissions short and thoughtful?
- A. A long transmission may prevent someone with an emergency from using
- the repeater
- B. To see if the receiving station operator is still awake
- C. To give any non-hams that are listening a chance to respond
- D. To keep long-distance charges down
- 71. What is the proper procedure to break into an on-going QSO through a
- station in repeater operation?
- A. Wait for the end of a transmission and start calling
- B. Shout, "break, break!" to show that you're eager to join the
- conversation
- C. Turn on your 100-watt amplifier and override whoever is talking
- D. Send your call sign during a break between transmissions
- 72. What is the purpose of repeater operation?
- A. To cut your power bill by using someone's higher power system
- B. To enable mobile and low-power stations to extend their usable range
- C. To reduce your telephone bill
- D. To call the ham radio distributor 50 miles away
- 73. What is meant by "making the repeater time out"?
- A. The repeater's battery supply has run out
- B. The repeater's transmission time limit has expired during a single
- transmission
- C. The warranty on the repeater duplexer has expired
- D. The repeater is in need of repairs
- 74. During commuting rush hours, which types of operation should relinquish
- the use of the repeater?
- A. Mobile operators
- B. Low-power stations
- C. Highway traffic information nets
- D. Third-party traffic nets
- 75. Why should simplex be used where possible instead of using a station in
- repeater operation?
- A. Farther distances can be reached
- B. To avoid long distance toll charges
- C. To avoid tying up the repeater unnecessarily
- D. To permit the testing of the effectiveness of your antenna
- 76. When a frequency conflict arises between a simplex operation and a
- repeater operation, why does good amateur practice call for the simplex
- operation to move to another frequency?
- A. The repeater's output power can be turned up to ruin the front end
- of the station in simplex operation
- B. There are more repeaters than simplex operators
- C. Changing the repeater's frequency is not practical
- D. Changing a repeater frequency requires the authorization of the
- Federal Communications Commission
- 77. What is the usual input/output frequency separation for stations in
- repeater operation in the 2-meter band?
- A. 1 MHz
- B. 1.6 MHz
- C. 170 Hz
- D. 0.6 MHz
- 78. What is the usual input/output frequency separation for stations in
- repeater operation in the 70-centimeter band?
- A. 1.6 MHz
- B. 5 MHz
- C. 600 kHz
- D. 5 kHz
- 79. What is the usual input/output frequency separation for a 6-meter
- station in repeater operation?
- A. 1 MHz
- B. 600 kHz
- C. 1.6 MHz
- D. 20 kHz
- 80. What is the usual input/output frequency separation for a 1.25-meter
- station in repeater operation?
- A. 1000 kHz
- B. 600 kHz
- C. 1600 kHz
- D. 1.6 GHz
- 81. What is a repeater frequency coordinator?
- A. Someone who coordinates the assembly of a repeater station
- B. Someone who provides advice on what kind of system to buy
- C. The club's repeater trustee
- D. A person or group that recommends frequency pairs for repeater usage
- 82. Why should local Amateur Radio communications be conducted on VHF and
- UHF frequencies?
- A. To minimize interference on HF bands capable of long-distance sky-
- wave communication
- B. Because greater output power is permitted on VHF and UHF
- C. Because HF transmissions are not propagated locally
- D. Because absorption is greater at VHF and UHF frequencies
- 83. How can on-the-air transmissions be minimized during a lengthy
- transmitter testing or loading up procedure?
- A. Choose an unoccupied frequency
- B. Use a dummy antenna
- C. Use a non-resonant antenna
- D. Use a resonant antenna that requires no loading up procedure
- 84. What is the proper Q signal to use to determine whether a frequency is
- in use before making a transmission?
- A. QRV?
- B. QRU?
- C. QRL?
- D. QRZ?
- 85. What is the proper distress calling procedure when using telephony?
- A. Transmit MAYDAY
- B. Transmit QRRR
- C. Transmit QRZ
- D. Transmit SOS
- 86. What is the proper distress calling procedure when using telegraphy?
- A. Transmit MAYDAY
- B. Transmit QRRR
- C. Transmit QRZ
- D. Transmit SOS
- 87. What is one requirement you must meet before you can participate in
- RACES drills?
- A. You must be registered with ARRL
- B. You must be registered with a local racing organization
- C. You must be registered with the responsible civil defense
- organization
- D. You need not register with anyone to operate RACES
- 88. What is the maximum amount of time allowed per week for RACES drills?
- A. Eight hours
- B. One hour
- C. As many hours as you want
- D. Six hours, but not more than one hour per day
- 89. How must you identify messages sent during a RACES drill?
- A. As emergency messages
- B. As amateur traffic
- C. As official government messages
- D. As drill or test messages
- 90. What is the term used to describe first-response communications in an
- emergency situation?
- A. Tactical communications
- B. Emergency communications
- C. Formal message traffic
- D. National Traffic System messages
- 91. 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 on
- B. They promote efficiency and coordination in public-service
- communications activities
- C. They are required by the FCC
- D. They promote goodwill among amateurs
- 92. What is the term used to describe messages sent into or out of a
- disaster area that pertain to a person's well being?
- A. Emergency traffic
- B. Tactical traffic
- C. Formal message traffic
- D. Health and welfare traffic
- 93. Why is it important to provide a means of operating your Amateur Radio
- station separate from the commercial AC power lines?
- A. So that you can take your station mobile
- B. So that you can provide communications in an emergency
- C. So that you can operate field day
- D. So that you will comply with Subpart 97.169 of the FCC Rules
- 94. Which type of antenna would be a good choice as part of a portable HF
- Amateur Radio station that could be set up in case of a communications
- emergency?
- A. A three-element quad
- B. A three-element Yagi
- C. A dipole
- D. A parabolic dish
- 95. What is the ionosphere?
- A. That part of the upper atmosphere where enough ions and free
- electrons exist to affect radio-wave propagation
- B. The boundary between two air masses of different temperature and
- humidity, along which radio waves can travel
- C. The ball that goes on the top of a mobile whip antenna
- D. That part of the atmosphere where weather takes place
- 96. What is the region of the outer atmosphere that makes long-distance
- radio communications possible as a result of bending of radio waves?
- A. Troposphere
- B. Stratosphere
- C. Magnetosphere
- D. Ionosphere
- 97. What type of solar radiation is most responsible for ionization in the
- outer atmosphere?
- A. Thermal
- B. Ionized particle
- C. Ultraviolet
- D. Microwave
- 98. Which ionospheric layer limits daytime radio communications in the 80-
- meter band to short distances?
- A. D layer
- B. F1 layer
- C. E layer
- D. F2 layer
- 99. What is the lowest ionospheric layer?
- A. The A layer
- B. The D layer
- C. The E layer
- D. The F layer
- 100. What is the lowest region of the ionosphere that is useful for long-
- distance radio wave propagation?
- A. The D layer
- B. The E layer
- C. The F1 layer
- D. The F2 layer
- 101. Which layer of the ionosphere is mainly responsible for long-distance
- sky-wave radio communications?
- A. D layer
- B. E layer
- C. F1 layer
- D. F2 layer
- 102. What are the two distinct sub-layers of the F layer of the ionosphere
- during the daytime?
- A. Troposphere and stratosphere
- B. F1 and F2
- C. Electrostatic and electromagnetic
- D. D and E
- 103. Which two daytime ionospheric layers combine into one layer at night?
- A. E and F1
- B. D and E
- C. F1 and F2
- D. E1 and E2
- 104. Which layer of the ionosphere is most responsible for absorption of
- radio signals during daylight hours?
- A. The E layer
- B. The F1 layer
- C. The F2 layer
- D. The D layer
- 105. When is ionospheric absorption most pronounced?
- A. When tropospheric ducting occurs
- B. When radio waves enter the D layer at low angles
- C. When radio waves travel to the F layer
- D. When a temperature inversion occurs
- 106. During daylight hours, what effect does the D layer of the ionosphere
- have on 80-meter radio waves?
- A. The D layer absorbs the signals
- B. The D layer bends the radio waves out into space
- C. The D layer refracts the radio waves back to earth
- D. The D layer has little or no effect on 80 meter radio wave
- propagation
- 107. What causes ionospheric absorption of radio waves?
- A. A lack of D layer ionization
- B. D layer ionization
- C. The presence of ionized clouds in the E layer
- D. Splitting of the F layer
- 108. What is usually the condition of the ionosphere just before sunrise?
- A. Atmospheric attenuation is at a maximum
- B. Ionization is at a maximum
- C. The E layer is above the F layer
- D. Ionization is at a minimum
- 109. At what time of day does maximum ionization of the ionosphere occur?
- A. Dusk
- B. Midnight
- C. Midday
- D. Dawn
- 110. Minimum ionization of the ionosphere occurs daily at what time?
- A. Shortly before dawn
- B. Just after noon
- C. Just after dusk
- D. Shortly before midnight
- 111. When is E layer ionization at a maximum?
- A. Dawn
- B. Midday
- C. Dusk
- D. Midnight
- 112. What is the name for the highest radio frequency that will be refracted
- back to earth?
- A. Lowest usable frequency
- B. Optimum working frequency
- C. Ultra high frequency
- D. Critical frequency
- 113. What causes the maximum usable frequency to vary?
- A. Variations in the temperature of the air at ionospheric levels
- B. Upper-atmospheric wind patterns
- C. The amount of ultraviolet and other types of radiation received from
- the sun
- D. Presence of ducting
- 114. What does the term maximum usable frequency refer to?
- A. The maximum frequency that allows a radio signal to reach its
- destination in a single hop
- B. The minimum frequency that allows a radio signal to reach its
- destination in a single hop
- C. The maximum frequency that allows a radio signal to be absorbed in
- the lowest ionospheric layer
- D. The minimum frequency that allows a radio signal to be absorbed in
- the lowest ionospheric layer
- 115. When two stations are within each other's skip zone on the frequency
- being used, what mode of propagation would it be desirable to use?
- A. Ground wave propagation
- B. Sky wave propagation
- C. Scatter-mode propagation
- D. Ionospheric ducting propagation
- 116. You are in contact with a distant station and are operating at a
- frequency close to the maximum usable frequency. If the received signals are
- weak and somewhat distorted, what type of propagation are you probably
- experiencing?
- A. Tropospheric ducting
- B. Line-of-sight propagation
- C. Backscatter propagation
- D. Waveguide propagation
- 117. What is the transmission path of a wave that travels directly from the
- transmitting antenna to the receiving antenna called?
- A. Line of sight
- B. The sky wave
- C. The linear wave
- D. The plane wave
- 118. How are VHF signals within the range of the visible horizon propagated?
- A. By sky wave
- B. By direct wave
- C. By plane wave
- D. By geometric wave
- 119. Ducting occurs in which region of the atmosphere?
- A. F2
- B. Ionosphere
- C. Troposphere
- D. Stratosphere
- 120. What effect does tropospheric bending have on 2-meter radio waves?
- A. It increases the distance over which they can be transmitted
- B. It decreases the distance over which they can be transmitted
- C. It tends to garble 2-meter phone transmissions
- D. It reverses the sideband of 2-meter phone transmissions
- 121. What atmospheric phenomenon causes tropospheric ducting of radio waves?
- A. A very low pressure area
- B. An aurora to the north
- C. Lightning between the transmitting and receiving station
- D. A temperature inversion
- 122. Tropospheric ducting occurs as a result of what phenomenon?
- A. A temperature inversion
- B. Sun spots
- C. An aurora to the north
- D. Lightning between the transmitting and receiving station
- 123. What atmospheric phenomenon causes VHF radio waves to be propagated
- several hundred miles through stable air masses over oceans?
- A. Presence of a maritime polar air mass
- B. A widespread temperature inversion
- C. An overcast of cirriform clouds
- D. Atmospheric pressure of roughly 29 inches of mercury or higher
- 124. In what frequency range does tropospheric ducting occur most often?
- A. LF
- B. MF
- C. HF
- D. VHF
- 125. Where should the green wire in an AC line cord be attached in a power
- supply?
- A. To the fuse
- B. To the "hot" side of the power switch
- C. To the chassis
- D. To the meter
- 126. Where should the black (or red) wire in a three-wire line cord be
- attached in a power supply?
- A. To the filter capacitor
- B. To the DC ground
- C. To the chassis
- D. To the fuse
- 127. Where should the white wire in a three-wire line cord be attached in a
- power supply?
- A. To the side of the transformer's primary winding that has a fuse
- B. To the side of the transformer's primary winding without a fuse
- C. To the black wire
- D. To the rectifier junction
- 128. Why is the retaining screw in one terminal of a light socket made of
- brass while the other one is silver colored?
- A. To prevent galvanic action
- B. To indicate correct wiring polarity
- C. To better conduct current
- D. To reduce skin effect
- 129. How much electrical current flowing through the human body is usually
- fatal?
- A. As little as 100 milliamperes may be fatal
- B. Approximately 10 amperes is required to be fatal
- C. More than 20 amperes is needed to kill a human being
- D. No amount of current will harm you. Voltages of over 2000 volts are
- always fatal, however
- 130. What is the minimum voltage considered to be dangerous to humans?
- A. 30 volts
- B. 100 volts
- C. 1000 volts
- D. 2000 volts
- 131. How much electrical current flowing through the human body is usually
- painful?
- A. As little as 50 milliamperes may be painful
- B. Approximately 10 amperes is required to be painful
- C. More than 20 amperes is needed to be painful to a human being
- D. No amount of current will be painful. Voltages of over 2000 volts are
- always painful, however
- 132. Where should the main power-line switch for a high voltage power supply
- be situated?
- A. Inside the cabinet, to interrupt power when the cabinet is opened
- B. On the rear panel of the high-voltage supply
- C. Where it can be seen and reached easily
- D. This supply should not be switch-operated
- 133. How is a voltmeter typically connected to a circuit under test?
- A. In series with the circuit
- B. In parallel with the circuit
- C. In quadrature with the circuit
- D. In phase with the circuit
- 134. How can the range of a voltmeter be extended?
- A. By adding resistance in series with the circuit under test
- B. By adding resistance in parallel with the circuit under test
- C. By adding resistance in series with the meter
- D. By adding resistance in parallel with the meter
- 135. How is an ammeter typically connected to a circuit under test?
- A. In series with the circuit
- B. In parallel with the circuit
- C. In quadrature with the circuit
- D. In phase with the circuit
- 136. How can the range of an ammeter be extended?
- A. By adding resistance in series with the circuit under test
- B. By adding resistance in parallel with the circuit under test
- C. By adding resistance in series with the meter
- D. By adding resistance in parallel with the meter
- 137. What is a multimeter?
- A. An instrument capable of reading SWR and power
- B. An instrument capable of reading resistance, capacitance and
- inductance
- C. An instrument capable of reading resistance and reactance
- D. An instrument capable of reading voltage, current and resistance
- 138. Where in the antenna transmission line should a peak-reading wattmeter
- be attached to determine the transmitter output power?
- A. At the transmitter output
- B. At the antenna feed point
- C. One-half wavelength from the antenna feed point
- D. One-quarter wavelength from the transmitter output
- 139. For the most accurate readings of transmitter output power, where should
- the RF wattmeter be inserted?
- A. The wattmeter should be inserted and the output measured one-quarter
- wavelength from the antenna feed point
- B. The wattmeter should be inserted and the output measured one-half
- wavelength from the antenna feed point
- C. The wattmeter should be inserted and the output power measured at the
- transmitter antenna jack
- D. The wattmeter should be inserted and the output power measured at the
- Transmatch output
- 140. At what line impedance are RF wattmeters usually designed to operate?
- A. 25 ohms
- B. 50 ohms
- C. 100 ohms
- D. 300 ohms
- 141. What is a directional wattmeter?
- A. An instrument that measures forward or reflected power
- B. An instrument that measures the directional pattern of an antenna
- C. An instrument that measures the energy consumed by the transmitter
- D. An instrument that measures thermal heating in a load resistor
- 142. If a directional RF wattmeter indicates 90 watts forward power and 10
- watts reflected power, what is the actual transmitter output power?
- A. 10 watts
- B. 80 watts
- C. 90 watts
- D. 100 watts
- 143. If a directional RF wattmeter indicates 96 watts forward power and 4
- watts reflected power, what is the actual transmitter output power?
- A. 80 watts
- B. 88 watts
- C. 92 watts
- D. 100 watts
- 144. What is a marker generator?
- A. A high-stability oscillator that generates a series of reference
- signals at known frequency intervals
- B. A low-stability oscillator that "sweeps" through a band of
- frequencies
- C. An oscillator often used in aircraft to determine the craft's
- location relative to the inner and outer markers at airports
- D. A high-stability oscillator whose output frequency and amplitude can
- be varied over a wide range
- 145. What type of circuit is used to inject a frequency calibration signal
- into a communications receiver?
- A. A product detector
- B. A receiver incremental tuning circuit
- C. A balanced modulator
- D. A crystal calibrator
- 146. How is a marker generator used?
- A. To calibrate the tuning dial on a receiver
- B. To calibrate the volume control on a receiver
- C. To test the amplitude linearity of an SSB transmitter
- D. To test the frequency deviation of an FM transmitter
- 147. What piece of test equipment produces a stable, low-level signal that
- can be set to a specific frequency?
- A. A wavemeter
- B. A reflectometer
- C. A signal generator
- D. A balanced modulator
- 148. What is an RF signal generator commonly used for?
- A. Measuring RF signal amplitude
- B. Aligning receiver tuned circuits
- C. Adjusting the transmitter impedance-matching network
- D. Measuring transmission line impedance
- 149. What is a reflectometer?
- A. An instrument used to measure signals reflected from the ionosphere
- B. An instrument used to measure radiation resistance
- C. An instrument used to measure transmission-line impedance
- D. An instrument used to measure standing wave ratio
- 150. What is the device that can indicate an impedance mismatch in an antenna
- system?
- A. A field-strength meter
- B. A set of lecher wires
- C. A wavemeter
- D. A reflectometer
- 151. For best accuracy when adjusting the impedance match between an antenna
- and feed line, where should the match-indicating device be inserted?
- A. At the antenna feed point
- B. At the transmitter
- C. At the midpoint of the feed line
- D. Anywhere along the feed line
- 152. Where should a reflectometer be inserted into a long antenna
- transmission line in order to obtain the most valid standing wave ratio
- indication?
- A. At any quarter-wavelength interval along the transmission line
- B. At the receiver end
- C. At the antenna end
- D. At any even half-wavelength interval along the transmission line
- 153. When adjusting a transmitter filter circuit, what device is connected
- to the transmitter output?
- A. A multimeter
- B. A set of Litz wires
- C. A receiver
- D. A dummy antenna
- 154. What is a dummy antenna?
- A. An isotropic radiator
- B. A nonradiating load for a transmitter
- C. An antenna used as a reference for gain measurements
- D. The image of an antenna, located below ground
- 155. What materials may a dummy antenna be made?
- A. A wire-wound resistor
- B. A diode and resistor combination
- C. A noninductive resistor
- D. A coil and capacitor combination
- 156. What station accessory is used in place of an antenna during transmitter
- tests so that no signal is radiated?
- A. A Transmatch
- B. A dummy antenna
- C. A low-pass filter
- D. A decoupling resistor
- 157. What is the purpose of a dummy load?
- A. To allow off-the-air transmitter testing
- B. To reduce output power for QRP operation
- C. To give comparative signal reports
- D. To allow Transmatch tuning without causing interference
- 158. How many watts should a dummy load for use with a 100-watt emission J3E
- transmitter with 50 ohm output be able to dissipate?
- A. A minimum of 100 watts continuous
- B. A minimum of 141 watts continuous
- C. A minimum of 175 watts continuous
- D. A minimum of 200 watts continuous
- 159. What is an S-meter?
- A. A meter used to measure sideband suppression
- B. A meter used to measure spurious emissions from a transmitter
- C. A meter used to measure relative signal strength in a receiver
- D. A meter used to measure solar flux
- 160. A meter that is used to measure relative signal strength in a receiver
- is known as what?
- A. An S-meter
- B. An RST-meter
- C. A signal deviation meter
- D. An SSB meter
- 161. Large amounts of RF energy may cause damage to body tissue, depending
- on the wavelength of the signal, the energy density of the RF field, and
- other factors. How does RF energy effect body tissue?
- A. It causes radiation poisoning
- B. It heats the tissue
- C. It cools the tissue
- D. It produces genetic changes in the tissue
- 162. Which body organ is most susceptible to damage from the heating effects
- of radio frequency radiation?
- A. Eyes
- B. Hands
- C. Heart
- D. Liver
- 163. Scientists have devoted a great deal of effort to determine safe RF
- exposure limits. What organization has established an RF protection guide?
- A. The Institute of Electrical and Electronics Engineers
- B. The American Radio Relay League
- C. The Environmental Protection Agency
- D. The American National Standards Institute
- 164. What is the purpose of the ANSI RF protection guide?
- A. It protects you from unscrupulous radio dealers
- B. It sets RF exposure limits under certain circumstances
- C. It sets transmitter power limits
- D. It sets antenna height requirements
- 165. The American National Standards Institute RF protection guide sets RF
- exposure limits under certain circumstances. In what frequency range is the
- maximum exposure level the most stringent (lowest)?
- A. 3 to 30 MHz
- B. 30 to 300 MHz
- C. 300 to 3000 MHz
- D. Above 1.5 GHz
- 166. The American National Standards Institute RF protection guide sets RF
- exposure limits under certain circumstances. Why is the maximum exposure
- level the most stringent (lowest) in the ranges between 30 MHz and 300 MHz?
- A. There are fewer transmitters operating in this frequency range
- B. There are fewer transmitters operating in this frequency range
- C. Most transmissions in this frequency range are for an extended time
- D. Human body lengths are close to whole-body resonance in that range
- 167. The American National Standards Institute RF protection guide sets RF
- exposure limits under certain circumstances. What is the maximum safe power
- output to the antenna terminal of a hand-held VHF or UHF radio, as set by
- this RF protection guide?
- A. 125 milliwatts
- B. 7 watts
- C. 10 watts
- D. 25 watts
- 168. After you make internal tuning adjustments to your VHF power amplifier,
- what should you do before you turn the amplifier on?
- A. Remove all amplifier shielding to ensure maximum cooling
- B. Connect a noise bridge to eliminate any interference
- C. Be certain all amplifier shielding is fastened in place
- D. Be certain no antenna is attached so that you will not cause any
- interference
- 169. What is meant by the term resistance?
- A. The opposition to the flow of current in an electric circuit
- containing inductance
- B. The opposition to the flow of current in an electric circuit
- containing capacitance
- C. The opposition to the flow of current in an electric circuit
- containing reactance
- D. The opposition to the flow of current in an electric circuit that
- does not contain reactance
- 170. What is an ohm?
- A. The basic unit of resistance
- B. The basic unit of capacitance
- C. The basic unit of inductance
- D. The basic unit of admittance
- 171. What is the unit measurement of resistance?
- A. Volt
- B. Ampere
- C. Joule
- D. Ohm
- 172. Two equal-value resistors are connected in series. How does the total
- resistance of this combination compare with the value of either resistor by
- itself?
- A. The total resistance is half the value of either resistor
- B. The total resistance is twice the value of either resistor
- C. The total resistance is the same as the value of either resistor
- D. The total resistance is the square of the value of either resistor
- 173. How does the total resistance of a string of series-connected resistors
- compare to the values of the individual resistors?
- A. The total resistance is the square of the sum of all the individual
- resistor values
- B. The total resistance is the square root of the sum of the individual
- resistor values
- C. The total resistance is the sum of the squares of the individual
- resistor values
- D. The total resistance is the sum of all the individual resistance
- values
- 174. Two equal-value resistors are connected in parallel. How does the total
- resistance of this combination compare with the value of either resistor by
- itself?
- A. The total resistance is twice the value of either resistor
- B. The total resistance is half the value of either resistor
- C. The total resistance is the square of the value of either resistor
- D. The total resistance is the same as the value of either resistor
- 175. How does the total resistance of a string of parallel-connected
- resistors compare to the values of the individual resistors?
- A. The total resistance is the square of the sum of the resistor values
- B. The total resistance is more than the highest-value resistor in the
- combination
- C. The total resistance is less than the smallest-value resistor in the
- combination
- D. The total resistance is same as the highest-value resistor in the
- combination
- 176. What is Ohm's Law?
- A. A mathematical relationship between resistance, voltage and power in
- a circuit
- B. A mathematical relationship between current, resistance and power in
- a circuit
- C. A mathematical relationship between current, voltage and power in a
- circuit
- D. A mathematical relationship between resistance, current and applied
- voltage in a circuit
- 177. How is the current in a DC circuit calculated when the voltage and
- resistance are known?
- A. I = E / R
- B. P = I x E
- C. I = R x E
- D. I = E x R
- 178. What is the input resistance of a load when a 12-volt battery supplies
- 0.25 amperes to it?
- A. 0.02 ohms
- B. 3 ohms
- C. 48 ohms
- D. 480 ohms
- 179. The product of the current and what force gives the electrical power in
- a circuit?
- A. Magnetomotive force
- B. Centripetal force
- C. Electrochemical force
- D. Electromotive force
- 180. What is the input resistance of a load when a 12-volt battery supplies
- 0.15 amperes to it?
- A. 8 ohms
- B. 80 ohms
- C. 100 ohms
- D. 800 ohms
- 181. When 120 volts is measured across a 4700-ohm resistor, approximately how
- much current is flowing through it?
- A. 39 amperes
- B. 3.9 amperes
- C. 0.26 ampere
- D. 0.026 ampere
- 182. When 120 volts is measured across a 47000-ohm resistor, approximately
- how much current is flowing through it?
- A. 392 A
- B. 39.2 A
- C. 26 mA
- D. 2.6 mA
- 183. When 12 volts is measured across a 4700-ohm resistor, approximately how
- much current is flowing through it?
- A. 2.6 mA
- B. 26 mA
- C. 39.2 A
- D. 392 A
- 184. When 12 volts is measured across a 47000-ohm resistor, approximately how
- much current is flowing through it?
- A. 255 uA
- B. 255 mA
- C. 3917 mA
- D. 3917 A
- 185. What is the term used to describe the ability of a component to store
- energy in a magnetic field?
- A. Admittance
- B. Capacitance
- C. Inductance
- D. Resistance
- 186. What is the basic unit of inductance?
- A. Coulomb
- B. Farad
- C. Henry
- D. Ohm
- 187. What is a henry?
- A. The basic unit of admittance
- B. The basic unit of capacitance
- C. The basic unit of inductance
- D. The basic unit of resistance
- 188. What is a microhenry?
- A. A basic unit of inductance equal to 10\-12/ henrys
- B. A basic unit of inductance equal to 10\-6/ henrys
- C. A basic unit of inductance equal to 10\-3/ henrys
- D. A basic unit of inductance equal to 10\6/ henrys
- 189. What is a millihenry?
- A. A basic unit of inductance equal to 10\-12/ henrys
- B. A basic unit of inductance equal to 10\-6/ henrys
- C. A basic unit of inductance equal to 10\-3/ henrys
- D. A basic unit of inductance equal to 10\6/ henrys
- 190. Two equal-value inductors are connected in series. How does the total
- inductance of this combination compare with the value of either inductor by
- itself?
- A. The total inductance is half the value of either inductor
- B. The total inductance is twice the value of either inductor
- C. The total inductance is equal to the value of either inductor
- D. No comparison can be made without knowing the exact inductances
- 191. How does the total inductance of a string of series-connected inductors
- compare to the values of the individual inductors?
- A. The total inductance is equal to the average of all the individual
- inductances
- B. The total inductance is equal to less than the value of the smallest
- inductance
- C. The total inductance is equal to the sum of all the individual
- inductances
- D. No comparison can be made without knowing the exact inductances
- 192. Two equal-value inductors are connected in parallel. How does the total
- inductance of this combination compare with the value of either inductor by
- itself?
- A. The total inductance is half the value of either inductor
- B. The total inductance is twice the value of either inductor
- C. The total inductance is equal to the square of either inductance
- D. No comparison can be made without knowing the exact inductances
- 193. How does the total inductance of a string of parallel-connected
- inductors compare to the values of the individual inductors?
- A. The total inductance is equal to the sum of the inductances in the
- combination
- B. The total inductance is less than the smallest inductance value in
- the combination
- C. The total inductance is equal to the average of the inductances in
- the combination
- D. No comparison can be made without knowing the exact inductances
- 194. What is the term used to describe the ability of a component to store
- energy in an electric field?
- A. Capacitance
- B. Inductance
- C. Resistance
- D. Tolerance
- 195. What is the basic unit of capacitance?
- A. Farad
- B. Ohm
- C. Volt
- D. Ampere
- 196. What is a microfarad?
- A. A basic unit of capacitance equal to 10\-12/ farads
- B. A basic unit of capacitance equal to 10\-6/ farads
- C. A basic unit of capacitance equal to 10\-2/ farads
- D. A basic unit of capacitance equal to 10\6/ farads
- 197. What is a picofarad?
- A. A basic unit of capacitance equal to 10\-12/ farads
- B. A basic unit of capacitance equal to 10\-6/ farads
- C. A basic unit of capacitance equal to 10\-2/ farads
- D. A basic unit of capacitance equal to 10\6/ farads
- 198. What is a farad?
- A. The basic unit of resistance
- B. The basic unit of capacitance
- C. The basic unit of inductance
- D. The basic unit of admittance
- 199. Two equal-value capacitors are connected in series. How does the total
- capacitance of this combination compare with the value of either capacitor
- by itself?
- A. The total capacitance is twice the value of either capacitor
- B. The total capacitance is equal to the value of either capacitor
- C. The total capacitance is half the value of either capacitor
- D. No comparison can be made without knowing the exact capacitances
- 200. How does the total capacitance of a string of series-connected
- capacitors compare to the values of the individual capacitors?
- A. The total capacitance is equal to the sum of the capacitances in the
- combination
- B. The total capacitance is less than the smallest value of capacitance
- in the combination
- C. The total capacitance is equal to the average of the capacitances in
- the combination
- D. No comparison can be made without knowing the exact capacitances
- 201. Two equal-value capacitors are connected in parallel. How does the
- total capacitance of this combination compare with the value of either
- capacitor by itself?
- A. The total capacitance is twice the value of either capacitor
- B. The total capacitance is half the value of either capacitor
- C. The total capacitance is equal to the value of either capacitor
- D. No comparison can be made without knowing the exact capacitances
- 202. How does the total capacitance of a string of parallel-connected
- capacitors compare to the values of the individual capacitors?
- A. The total capacitance is equal to the sum of the capacitances in the
- combination
- B. The total capacitance is less than the smallest value of capacitance
- in the combination
- C. The total capacitance is equal to the average of the capacitances in
- the combination
- D. No comparison can be made without knowing the exact capacitances
- 203. What are the four common types of resistor construction?
- A. Carbon-film, metal-film, micro-film and wire-film
- B. Carbon-composition, carbon-film, metal-film and wire-wound
- C. Carbon-composition, carbon-film, electrolytic and metal-film
- D. Carbon-film, ferrite, carbon-composition and metal-film
- 204. What is the primary function of a resistor?
- A. To store an electric charge
- B. To store a magnetic field
- C. To match a high-impedance source to a low-impedance load
- D. To limit the current in an electric circuit
- 205. What is a variable resistor?
- A. A resistor that changes value when an AC voltage is applied to it
- B. A device that can transform a variable voltage into a constant
- voltage
- C. A resistor with a slide or contact that makes the resistance
- adjustable
- D. A resistor that changes value when it is heated
- 206. What do the first three color bands on a resistor indicate?
- A. The value of the resistor in ohms
- B. The resistance tolerance in percent
- C. The power rating in watts
- D. The value of the resistor in henrys
- 207. How can a carbon resistor's electrical tolerance rating be found?
- A. By using a wavemeter
- B. By using the resistor's color code
- C. By using Thevenin's theorem for resistors
- D. By using the Baudot code
- 208. What does the fourth color band on a resistor indicate?
- A. The value of the resistor in ohms
- B. The resistance tolerance in percent
- C. The power rating in watts
- D. The resistor composition
- 209. When the color bands on a group of resistors indicate that they all have
- the same resistance, what further information about each resistor is needed
- in order to select those that have nearly equal value?
- A. The working voltage rating of each resistor
- B. The composition of each resistor
- C. The tolerance of each resistor
- D. The current rating of each resistor
- 210. Why do resistors generate heat?
- A. They convert electrical energy to heat energy
- B. They exhibit reactance
- C. Because of skin effect
- D. To produce thermionic emission
- 211. Why would a large size resistor be substituted for a smaller one of the
- same resistance?
- A. To obtain better response
- B. To obtain a higher current gain
- C. To increase power dissipation capability
- D. To produce a greater parallel impedance
- 212. What is the symbol used to represent a fixed resistor on schematic
- diagrams? (Please refer to Diagram 3AF-1-5.1)
- A. Symbol A
- B. Symbol B
- C. Symbol C
- D. Symbol D
- 213. What is the symbol used to represent a variable resistor on schematic
- diagrams. (Please refer to Diagram 3AF-1-5.2)
- A. Symbol A
- B. Symbol B
- C. Symbol C
- D. Symbol D
- 214. What is an inductor core?
- A. The point at which an inductor is tapped to produce resonance
- B. A tight coil of wire used in a transformer
- C. An insulating material placed between the plates of an inductor
- D. The central portion of a coil; may be made from air, iron, brass or
- other material
- 215. What are the component parts of a coil?
- A. The wire in the winding and the core material
- B. Two conductive plates and an insulating material
- C. Two or more layers of silicon material
- D. A donut-shaped iron core and a layer of insulating tape
- 216. Describe an inductor.
- A. A semiconductor in a conducting shield
- B. Two parallel conducting plates
- C. A straight wire conductor mounted inside a Faraday shield
- D. A coil of conducting wire
- 217. For radio frequency power applications, which type of inductor has the
- least amount of loss?
- A. Magnetic wire
- B. Iron core
- C. Air core
- D. Slug tuned
- 218. What is an inductor?
- A. An electronic component that stores energy in an electric field
- B. An electronic component that converts a high voltage to a lower
- voltage
- C. An electronic component that opposes DC while allowing AC to pass
- D. An electronic component that stores energy in a magnetic field
- 219. What are the electrical properties of an inductor?
- A. An inductor stores a charge electrostatically and opposes a change
- in voltage
- B. An inductor stores a charge electrochemically and opposes a change
- in current
- C. An inductor stores a charge electromagnetically and opposes a change
- in current
- D. An inductor stores a charge electromechanically and opposes a change
- in voltage
- 220. What factors determine the amount of inductance in a coil?
- A. The type of material used in the core, the diameter of the core and
- whether the coil is mounted horizontally or vertically
- B. The diameter of the core, the number of turns of wire used to wind
- the coil and the type of metal used in the wire
- C. The type of material used in the core, the number of turns used to
- wind the core and the frequency of the current through the coil
- D. The type of material used in the core, the diameter of the core, the
- length of the coil and the number of turns of wire used to wind the coil
- 221. What can be done to raise the inductance of a 5-microhenry air-core coil
- to a 5-millihenry coil with the same physical dimensions?
- A. The coil can be wound on a non-conducting tube
- B. The coil can be wound on an iron core
- C. Both ends of the coil can be brought around to form the shape of a
- donut, or toroid
- D. The coil can be made of a heavier-gauge wire
- 222. As an iron core is inserted in a coil, what happens to the inductance?
- A. It increases
- B. It decreases
- C. It stays the same
- D. It becomes voltage-dependent
- 223. As a brass core is inserted in a coil, what happens to the inductance?
- A. It increases
- B. It decreases
- C. It stays the same
- D. It becomes voltage-dependent
- 224. What is the symbol used to represent an adjustable inductor on schematic
- diagrams? (Please refer to Diagram 3AF-2-4.1)
- A. Symbol A
- B. Symbol B
- C. Symbol C
- D. Symbol D
- 225. What is the symbol used to represent an iron-core inductor on schematic
- diagrams? (Please refer to Diagram 3AF-2-4.2)
- A. Symbol A
- B. Symbol B
- C. Symbol C
- D. Symbol D
- 226. What is the symbol used to represent an inductor wound over a toroidal
- core on schematic diagrams? (Please refer to Diagram 3AF-2-4.3)
- A. Symbol A
- B. Symbol B
- C. Symbol C
- D. Symbol D
- 227. What is a capacitor dielectric?
- A. The insulating material used for the plates
- B. The conducting material used between the plates
- C. The ferrite material that the plates are mounted on
- D. The insulating material between the plates
- 228. What are the component parts of a capacitor?
- A. Two or more conductive plates with an insulating material between
- them
- B. The wire used in the winding and the core material
- C. Two or more layers of silicon material
- D. Two insulating plates with a conductive material between them
- 229. What is an electrolytic capacitor?
- A. A capacitor whose plates are formed on a thin ceramic layer
- B. A capacitor whose plates are separated by a thin strip of mica
- insulation
- C. A capacitor whose dielectric is formed on one set of plates through
- electrochemical action
- D. A capacitor whose value varies with applied voltage
- 230. What is a paper capacitor?
- A. A capacitor whose plates are formed on a thin ceramic layer
- B. A capacitor whose plates are separated by a thin strip of mica
- insulation
- C. A capacitor whose plates are separated by a layer of paper
- D. A capacitor whose dielectric is formed on one set of plates through
- electrochemical action
- 231. What is a capacitor?
- A. An electronic component that stores energy in a magnetic field
- B. An electronic component that stores energy in an electric field
- C. An electronic component that converts a high voltage to a lower
- voltage
- D. An electronic component that converts power into heat
- 232. What are the electrical properties of a capacitor?
- A. A capacitor stores a charge electrochemically and opposes a change
- in current
- B. A capacitor stores a charge electromagnetically and opposes a change
- in current
- C. A capacitor stores a charge electromechanically and opposes a change
- in voltage
- D. A capacitor stores a charge electrostatically and opposes a change
- in voltage
- 233. What factors must be considered when selecting a capacitor for a
- circuit?
- A. Type of capacitor, capacitance and voltage rating
- B. Type of capacitor, capacitance and the kilowatt-hour rating
- C. The amount of capacitance, the temperature coefficient and the KVA
- rating
- D. The type of capacitor, the microscopy coefficient and the temperature
- coefficient
- 234. How are the characteristics of a capacitor usually specified?
- A. In volts and amperes
- B. In microfarads and volts
- C. In ohms and watts
- D. In millihenrys and amperes
- 235. What factors determine the amount of capacitance in a capacitor?
- A. The dielectric constant of the material between the plates, the area
- of one side of one plate, the separation between the plates and the number
- of plates
- B. The dielectric constant of the material between the plates, the
- number of plates and the diameter of the leads connected to the plates
- C. The number of plates, the spacing between the plates and whether the
- dielectric material is N type or P type
- D. The dielectric constant of the material between the plates, the
- surface area of one side of one plate, the number of plates and the type of
- material used for the protective coating
- 236. As the plate area of a capacitor is increased, what happens to its
- capacitance?
- A. Decreases
- B. Increases
- C. Stays the same
- D. Becomes voltage dependent
- 237. As the plate spacing of a capacitor is increased, what happens to its
- capacitance?
- A. Increases
- B. Stays the same
- C. Becomes voltage dependent
- D. Decreases
- 238. What is the symbol used to represent an electrolytic capacitor on
- schematic diagrams? (Please refer to Diagram 3AF-3-4.1)
- A. Symbol A
- B. Symbol B
- C. Symbol C
- D. Symbol D
- 239. What is the symbol used to represent a variable capacitor on schematic
- diagrams? (Please refer to Diagram 3AF-3-4.2)
- A. Symbol A
- B. Symbol B
- C. Symbol C
- D. Symbol D
- 240. Which frequencies are attenuated by a low-pass filter?
- A. Those above its cut-off frequency
- B. Those within its cut-off frequency
- C. Those within 50 kHz on either side of its cut-off frequency
- D. Those below its cut-off frequency
- 241. What circuit passes electrical energy below a certain frequency and
- blocks electrical energy above that frequency?
- A. A band-pass filter
- B. A high-pass filter
- C. An input filter
- D. A low-pass filter
- 242. Why does virtually every modern transmitter have a built-in low-pass
- filter connected to its output?
- A. To attenuate frequencies below its cutoff point
- B. To attenuate low frequency interference to other amateurs
- C. To attenuate excess harmonic radiation
- D. To attenuate excess fundamental radiation
- 243. You believe that excess harmonic radiation from your transmitter is
- causing interference to your television receiver. What is one possible
- solution for this problem?
- A. Install a low-pass filter on the television receiver
- B. Install a low-pass filter at the transmitter output
- C. Install a high-pass filter on the transmitter output
- D. Install a band-pass filter on the television receiver
- 244. What circuit passes electrical energy above a certain frequency and
- attenuates electrical energy below that frequency?
- A. A band-pass filter
- B. A high-pass filter
- C. An input filter
- D. A low-pass filter
- 245. Where is the proper place to install a high-pass filter?
- A. At the antenna terminals of a television receiver
- B. Between a transmitter and a Transmatch
- C. Between a Transmatch and the transmission line
- D. On a transmitting antenna
- 246. Your Amateur Radio transmissions cause interference to your television
- receiver even though you have installed a low-pass filter at the transmitter
- output. What is one possible solution for this problem?
- A. Install a high-pass filter at the transmitter terminals
- B. Install a high-pass filter at the television antenna terminals
- C. Install a low-pass filter at the television antenna terminals also
- D. Install a band-pass filter at the television antenna terminals
- 247. What circuit attenuates electrical energy above a certain frequency and
- below a lower frequency?
- A. A band-pass filter
- B. A high-pass filter
- C. An input filter
- D. A low-pass filter
- 248. What general range of RF energy does a band-pass filter reject?
- A. All frequencies above a specified frequency
- B. All frequencies below a specified frequency
- C. All frequencies above the upper limit of the band in question
- D. All frequencies above a specified frequency and below a lower
- specified frequency
- 249. The IF stage of a communications receiver uses a filter with a peak
- response at the intermediate frequency. What term describes this filter
- response?
- A. A band-pass filter
- B. A high-pass filter
- C. An input filter
- D. A low-pass filter
- 250. What circuit is likely to be found in all types of receivers?
- A. An audio filter
- B. A beat frequency oscillator
- C. A detector
- D. An RF amplifier
- 251. What type of transmitter does this block diagram represent? (Please
- refer to Diagram 3AG-4-1.2)
- A. A simple packet-radio transmitter
- B. A simple crystal-controlled transmitter
- C. A single-sideband transmitter
- D. A VFO-controlled transmitter
- 252. What type of transmitter does this block diagram represent? (Please
- refer to Diagram 3AG-4-1.3)
- A. A simple packet-radio transmitter
- B. A simple crystal-controlled transmitter
- C. A single-sideband transmitter
- D. A VFO-controlled transmitter
- 253. What is the unlabeled block (?) in this diagram? (Please refer to
- Diagram 3AG-4-1.4)
- A. An AGC circuit
- B. A detector
- C. A power supply
- D. A VFO circuit
- 254. What type of device does this block diagram represent? (Please refer
- to Diagram 3AG-4-1.5)
- A. A double-conversion receiver
- B. A variable-frequency oscillator
- C. A simple superheterodyne receiver
- D. A simple CW transmitter
- 255. What type of device does this block diagram represent? (Please refer
- to Diagram 3AG-4-2.1)
- A. A double-conversion receiver
- B. A variable-frequency oscillator
- C. A simple superheterodyne receiver
- D. A simple FM receiver
- 256. What is the unlabeled block (?) in this diagram? (Please refer to
- Diagram 3AG-4-2.2)
- A. A band-pass filter
- B. A crystal oscillator
- C. A reactance modulator
- D. A rectifier modulator
- 257. What is the meaning of the term modulation?
- A. The process of varying some characteristic of a carrier wave for the
- purpose of conveying information
- B. The process of recovering audio information from a received signal
- C. The process of increasing the average power of a single-sideband
- transmission
- D. The process of suppressing the carrier in a single-sideband
- transmitter
- 258. What is emission type N0N?
- A. Unmodulated carrier
- B. Telegraphy by on-off keying
- C. Telegraphy by keyed tone
- D. Telegraphy by frequency-shift keying
- 259. What emission does not have sidebands resulting from modulation?
- A. A3E
- B. N0N
- C. F3E
- D. F2B
- 260. What is the FCC emission designator for a Morse code telegraphy signal
- produced by switching the transmitter output on and off?
- A. N0N
- B. A3E
- C. A1A
- D. F1B
- 261. What is emission type A1A?
- A. Morse code telegraphy using amplitude modulation
- B. Morse code telegraphy using frequency modulation
- C. Morse code telegraphy using phase modulation
- D. Morse code telegraphy using pulse modulation
- 262. What is emission type F1B?
- A. Amplitude-keyed telegraphy
- B. Frequency-shift-keyed telegraphy
- C. Frequency-modulated telephony
- D. Phase-modulated telephony
- 263. What is the emission symbol for telegraphy by frequency shift keying
- without the use of a modulating tone?
- A. F1B
- B. F2B
- C. A1A
- D. J3E
- 264. What emission type results when an on/off keyed audio tone is applied
- to the microphone input of an FM transmitter?
- A. F1B
- B. F2A
- C. A1A
- D. J3E
- 265. What is emission type F2A?
- A. Telephony produced by audio fed into an FM transmitter
- B. Telegraphy produced by an on/off keyed audio tone fed into an AM
- transmitter
- C. Telegraphy produced by on/off keying of the carrier amplitude
- D. Telegraphy produced by an on/off keyed audio tone fed into an FM
- transmitter
- 266. What is emission type F2B?
- A. Frequency-modulated telegraphy using audio tones
- B. Frequency-modulated telephony
- C. Frequency-modulated facsimile using audio tones
- D. Phase-modulated television
- 267. What emissions are used in teleprinting?
- A. F1A, F2B and F1B
- B. A2B, F1B and F2B
- C. A1B, A2B and F2B
- D. A2B, F1A and F2B
- 268. What emission type results when an AF shift keyer is connected to the
- microphone jack of an emission F3E transmitter?
- A. A2B
- B. F1B
- C. F2B
- D. A1F
- 269. What is emission type F2D?
- A. A data transmission produced by modulating an FM transmitter with
- audio tones
- B. A telemetry transmission produced by modulating an FM transmitter
- with two sidebands
- C. A data transmission produced by modulating an FM transmitter with
- pulse modulation
- D. A telemetry transmission produced by modulating an SSB transmitter
- with phase modulation
- 270. What FCC emission designator describes a packet-radio transmission
- through an FM transmitter?
- A. F1D
- B. F2D
- C. F2B
- D. F1B
- 271. What is emission type F3E?
- A. AM telephony
- B. AM telegraphy
- C. FM telegraphy
- D. FM telephony
- 272. What is the emission symbol for telephony by frequency modulation?
- A. F2B
- B. F3E
- C. A3E
- D. F1B
- 273. What is the FCC emission designator for telephony by phase modulation?
- A. J3E
- B. F1B
- C. G3E
- D. F3E
- 274. What is emission type G3E?
- A. Phase-modulated telegraphy
- B. Frequency-modulated telegraphy
- C. Frequency-modulated telephony
- D. Phase-modulated telephony
- 275. What is the term used to describe a constant-amplitude radio-frequency
- signal?
- A. An RF carrier
- B. An AF carrier
- C. A sideband carrier
- D. A subcarrier
- 276. What is another name for an unmodulated radio-frequency signal?
- A. An AF carrier
- B. An RF carrier
- C. A sideband carrier
- D. A subcarrier
- 277. What characteristic makes emission F3E especially well-suited for local
- VHF/UHF radio communications?
- A. Good audio fidelity and intelligibility under weak-signal conditions
- B. Better rejection of multipath distortion than the AM modes
- C. Good audio fidelity and high signal-to-noise ratio above a certain
- signal amplitude threshold
- D. Better carrier frequency stability than the AM modes
- 278. What emission is produced by a transmitter using a reactance modulator?
- A. A1A
- B. N0N
- C. J3E
- D. G3E
- 279. What other emission does phase modulation most resemble?
- A. Amplitude modulation
- B. Pulse modulation
- C. Frequency modulation
- D. Single-sideband modulation
- 280. Many communications receivers have several IF filters that can be
- selected by the operator. Why do these filters have different bandwidths?
- A. Because some ham bands are wider than others
- B. Because different bandwidths help increase the receiver sensitivity
- C. Because different bandwidths improve S-meter readings
- D. Because some emission types occupy a wider frequency range than
- others
- 281. List the following signals in order of increasing bandwidth (narrowest
- signal first): CW, FM voice, RTTY, SSB voice.
- A. RTTY, CW, SSB voice, FM voice
- B. CW, FM voice, RTTY, SSB voice
- C. CW, RTTY, SSB voice, FM voice
- D. CW, SSB voice, RTTY, FM voice
- 282. To what is the deviation of an emission F3E transmission proportional?
- A. Only the frequency of the audio modulating signal
- B. The frequency and the amplitude of the audio modulating signal
- C. The duty cycle of the audio modulating signal
- D. Only the amplitude of the audio modulating signal
- 283. What is the result of overdeviation in an emission F3E transmitter?
- A. Increased transmitter power consumption
- B. Out-of-channel emissions (splatter)
- C. Increased transmitter range
- D. Inadequate carrier suppression
- 284. What is splatter?
- A. Interference to adjacent signals caused by excessive transmitter
- keying speeds
- B. Interference to adjacent signals caused by improper transmitter
- neutralization
- C. Interference to adjacent signals caused by overmodulation of a
- transmitter
- D. Interference to adjacent signals caused by parasitic oscillations at
- the antenna
- 285. What antenna type best strengthens signals from a particular direction
- while attenuating those from other directions?
- A. A beam antenna
- B. An isotropic antenna
- C. A monopole antenna
- D. A vertical antenna
- 286. What is a directional antenna?
- A. An antenna whose parasitic elements are all constructed to be
- directors
- B. An antenna that radiates in direct line-of-sight propagation, but not
- skywave or skip propagation
- C. An antenna permanently mounted so as to radiate in only one direction
- D. An antenna that radiates more strongly in some directions than others
- 287. What is a Yagi antenna?
- A. Half-wavelength elements stacked vertically and excited in phase
- B. Quarter-wavelength elements arranged horizontally and excited out of
- phase
- C. Half-wavelength linear driven element(s) with parasitically excited
- parallel linear elements
- D. Quarter-wavelength, triangular loop elements
- 288. What is the general configuration of the radiating elements of a
- horizontally-polarized Yagi?
- A. Two or more straight, parallel elements arranged in the same
- horizontal plane
- B. Vertically stacked square or circular loops arranged in parallel
- horizontal planes
- C. Two or more wire loops arranged in parallel vertical planes
- D. A vertical radiator arranged in the center of an effective RF ground
- plane
- 289. What type of parasitic beam antenna uses two or more straight metal-
- tubing elements arranged physically parallel to each other?
- A. A delta loop antenna
- B. A quad antenna
- C. A Yagi antenna
- D. A Zepp antenna
- 290. How many directly-driven elements does a Yagi antenna have?
- A. None; they are all parasitic
- B. One
- C. Two
- D. All elements are directly driven
- 291. What is a parasitic beam antenna?
- A. An antenna where the director and reflector elements receive their
- RF excitation by induction or radiation from the driven element
- B. An antenna where wave traps are used to assure magnetic coupling
- among the elements
- C. An antenna where all elements are driven by direct connection to the
- feed line
- D. An antenna where the driven element receives its RF excitation by
- induction or radiation from the directors
- 292. What is a cubical quad antenna?
- A. Four parallel metal tubes, each approximately 1/2 electrical
- wavelength long
- B. Two or more parallel four-sided wire loops, each approximately one
- electrical wavelength long
- C. A vertical conductor 1/4 electrical wavelength high, fed at the
- bottom
- D. A center-fed wire 1/2 electrical wavelength long
- 293. What kind of antenna array is composed of a square full-wave closed loop
- driven element with parallel parasitic element(s)?
- A. Delta loop
- B. Cubical quad
- C. Dual rhombic
- D. Stacked Yagi
- 294. Approximately how long is one side of the driven element of a cubical
- quad antenna?
- A. 2 electrical wavelengths
- B. 1 electrical wavelength
- C. 1/2 electrical wavelength
- D. 1/4 electrical wavelength
- 295. Approximately how long is the wire in the driven element of a cubical
- quad antenna?
- A. 1/4 electrical wavelength
- B. 1/2 electrical wavelength
- C. 1 electrical wavelength
- D. 2 electrical wavelengths
- 296. What is a delta loop antenna?
- A. A variation of the cubical quad antenna, with triangular elements
- B. A large copper ring, used in direction finding
- C. An antenna system composed of three vertical antennas, arranged in
- a triangular shape
- D. An antenna made from several coils of wire on an insulating form
- 297. To what does the term horizontal as applied to wave polarization refer?
- A. The magnetic lines of force in the radio wave are parallel to the
- earth's surface
- B. The electric lines of force in the radio wave are parallel to the
- earth's surface
- C. The electric lines of force in the radio wave are perpendicular to
- the earth's surface
- D. The radio wave will leave the antenna and radiate horizontally to the
- destination
- 298. What electromagnetic wave polarization does a cubical quad antenna have
- when the feed point is in the center of a horizontal side?
- A. Circular
- B. Helical
- C. Horizontal
- D. Vertical
- 299. What electromagnetic wave polarization does a cubical quad antenna have
- when all sides are at 45 degrees to the earth's surface and the feed point
- is at the bottom corner?
- A. Circular
- B. Helical
- C. Horizontal
- D. Vertical
- 300. What is the polarization of electromagnetic waves radiated from a half-
- wavelength antenna perpendicular to the earth's surface?
- A. Circularly polarized waves
- B. Horizontally polarized waves
- C. Parabolically polarized waves
- D. Vertically polarized waves
- 301. What is the electromagnetic wave polarization of most man-made
- electrical noise radiation in the HF-VHF spectrum?
- A. Horizontal
- B. Left-hand circular
- C. Right-hand circular
- D. Vertical
- 302. To what does the term vertical as applied to wave polarization refer?
- A. The electric lines of force in the radio wave are parallel to the
- earth's surface
- B. The magnetic lines of force in the radio wave are perpendicular to
- the earth's surface
- C. The electric lines of force in the radio wave are perpendicular to
- the earth's surface
- D. The radio wave will leave the antenna and radiate vertically into the
- ionosphere
- 303. What electromagnetic wave polarization does a cubical quad antenna have
- when the feed point is in the center of a vertical side?
- A. Circular
- B. Helical
- C. Horizontal
- D. Vertical
- 304. What electromagnetic wave polarization does a cubical quad antenna have
- when all sides are at 45 degrees to the earth's surface and the feed point
- is at a side corner?
- A. Circular
- B. Helical
- C. Horizontal
- D. Vertical
- 305. What is meant by the term standing wave ratio?
- A. The ratio of maximum to minimum inductances on a feed line
- B. The ratio of maximum to minimum resistances on a feed line
- C. The ratio of maximum to minimum impedances on a feed line
- D. The ratio of maximum to minimum voltages on a feed line
- 306. What is standing wave ratio a measure of?
- A. The ratio of maximum to minimum voltage on a feed line
- B. The ratio of maximum to minimum reactance on a feed line
- C. The ratio of maximum to minimum resistance on a feed line
- D. The ratio of maximum to minimum sidebands on a feed line
- 307. What is meant by the term forward power?
- A. The power traveling from the transmitter to the antenna
- B. The power radiated from the front of a directional antenna
- C. The power produced during the positive half of the RF cycle
- D. The power used to drive a linear amplifier
- 308. What is meant by the term reflected power?
- A. The power radiated from the back of a directional antenna
- B. The power returned to the transmitter from the antenna
- C. The power produced during the negative half of the RF cycle
- D. Power reflected to the transmitter site by buildings and trees
- 309. What happens to the power loss in an unbalanced feed line as the
- standing wave ratio increases?
- A. It is unpredictable
- B. It becomes nonexistent
- C. It decreases
- D. It increases
- 310. What type of feed line is best suited to operating at a high standing
- wave ratio?
- A. Coaxial cable
- B. Flat ribbon "twin lead"
- C. Parallel open-wire line
- D. Twisted pair
- 311. What happens to RF energy not delivered to the antenna by a lossy
- coaxial cable?
- A. It is radiated by the feed line
- B. It is returned to the transmitter's chassis ground
- C. Some of it is dissipated as heat in the conductors and dielectric
- D. It is canceled because of the voltage ratio of forward power to
- reflected power in the feed line
- 312. What is a balanced line?
- A. Feed line with one conductor connected to ground
- B. Feed line with both conductors connected to ground to balance out
- harmonics
- C. Feed line with the outer conductor connected to ground at even
- intervals
- D. Feed line with neither conductor connected to ground
- 313. What is an unbalanced line?
- A. Feed line with neither conductor connected to ground
- B. Feed line with both conductors connected to ground to suppress
- harmonics
- C. Feed line with one conductor connected to ground
- D. Feed line with the outer conductor connected to ground at uneven
- intervals
- 314. What is a balanced antenna?
- A. A symmetrical antenna with one side of the feed point connected to
- ground
- B. An antenna (or a driven element in an array) that is symmetrical
- about the feed point
- C. A symmetrical antenna with both sides of the feed point connected to
- ground, to balance out harmonics
- D. An antenna designed to be mounted in the center
- 315. What is an unbalanced antenna?
- A. An antenna (or a driven element in an array) that is not symmetrical
- about the feed point
- B. A symmetrical antenna, having neither half connected to ground
- C. An antenna (or a driven element in a array) that is symmetrical about
- the feed point
- D. A symmetrical antenna with both halves coupled to ground at uneven
- intervals
- 316. What device can be installed on a balanced antenna so that it can be fed
- through a coaxial cable?
- A. A balun
- B. A loading coil
- C. A triaxial transformer
- D. A wavetrap
- 317. What is a balun?
- A. A device that can be used to convert an antenna designed to be fed
- at the center so that it may be fed at one end
- B. A device that may be installed on a balanced antenna so that it may
- be fed with unbalanced feed line
- C. A device that can be installed on an antenna to produce horizontally
- polarized or vertically polarized waves
- D. A device used to allow an antenna to operate on more than one band
- 318. List the following types of feed line in order of increasing attenuation
- per 100 feet of line (list the line with the lowest attenuation first): RG-
- 8, RG-58, RG-174 and open-wire line.
- A. RG-174, RG-58, RG-8, open-wire line
- B. RG-8, open-wire line, RG-58, RG-174
- C. open-wire line, RG-8, RG-58, RG-174
- D. open-wire line, RG-174, RG-58, RG-8
- 319. You have installed a tower 150 feet from your radio shack, and have a
- 6-meter Yagi antenna on top. Which of the following feed lines should you
- choose to feed this antenna:
- RG-8, RG-58, RG-59 or RG-174?
- A. RG-8
- B. RG-58
- C. RG-59
- D. RG-174
- 320. You have a 200-foot coil of RG-58 coaxial cable attached to your
- antenna, but the antenna is only 50 feet from your radio. To minimize feed-
- line loss, what should you do with the excess cable?
- A. Cut off the excess cable to an even number of wavelengths long
- B. Cut off the excess cable to an odd number of wavelengths long
- C. Cut off the excess cable
- D. Roll the excess cable into a coil a tenth of a wavelength in diameter
- 321. How does feed-line length affect signal loss?
- A. The length has no effect on signal loss
- B. As length increases, signal loss increases
- C. As length decreases, signal loss increases
- D. The length is inversely proportional to signal loss
- 322. What is the general relationship between frequencies passing through a
- feed line and the losses in the feed line?
- A. Loss is independent of frequency
- B. Loss increases with increasing frequency
- C. Loss decreases with increasing frequency
- D. There is no predictable relationship
- 323. As the operating frequency decreases, what happens to conductor losses
- in a feed line?
- A. The losses decrease
- B. The losses increase
- C. The losses remain the same
- D. The losses become infinite
- 324. As the operating frequency increases, what happens to conductor losses
- in a feed line?
- A. The losses decrease
- B. The losses increase
- C. The losses remain the same
- D. The losses decrease to zero
- 325. You are using open-wire feed line in your Amateur Radio station. Why
- should you ensure that no one can come in contact with the feed line while
- you are transmitting?
- A. Because contact with the feed line while transmitting will cause a
- short circuit, probably damaging your transmitter
- B. Because the wire is so small they may break it
- C. Because contact with the feed line while transmitting will cause
- parasitic radiation
- D. Because high RF voltages can be present on open-wire feed line
- 326. How can you minimize exposure to radio frequency energy from your
- transmitting antennas?
- A. Use vertical polarization
- B. Use horizontal polarization
- C. Mount the antennas where no one can come near them
- D. Mount the antenna close to the ground