Practice Exam

T5C13

1. What is the abbreviation for kilohertz?

• A. kHz
• B. khZ
• C. KHZ
• D. khz

T7B04

2. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Preamplifier
• B. Band-pass filter
• C. Ferrite choke
• D. Low-pass filter

T5B01

3. How many milliamperes is 1.5 amperes?

• A. 1500 milliamperes
• B. 15,000 milliamperes
• C. 15 milliamperes
• D. 150 milliamperes

T5A08

4. Which of the following is a good electrical insulator?

• A. Aluminum
• B. Mercury
• C. Copper
• D. Glass

T7D07

5. Which of the following measurements are made using a multimeter?

• A. Impedance and reactance
• B. Signal strength and noise
• C. All these choices are correct
• D. Voltage and resistance

T6B06

6. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With the word "cathode"
• B. With a stripe
• C. With the letter C
• D. With the letter K

T1A04

7. How many operator/primary station license grants may be held by any one person?

• A. One for each permanent station location from which the person plans to operate
• B. One
• C. No more than two
• D. One for each band on which the person plans to operate

T6A09

8. What electrical component is used to protect other circuit components from current overloads?

• A. All these choices are correct
• B. Thyratron
• C. Varactor
• D. Fuse

T7A11

9. Where is an RF preamplifier installed?

• A. Between the antenna and receiver
• B. At the output of the transmitter power amplifier
• C. Between the transmitter and the antenna tuner
• D. At the output of the receiver audio amplifier

T4A01

10. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 24.0 volts at 12 amperes
• B. 24.0 volts at 4 amperes
• C. 13.8 volts at 12 amperes
• D. 13.8 volts at 4 amperes

T7C05

11. Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

• A. Because power supplies cannot supply enough current at high SWR
• B. To lower the SWR on the transmission line
• C. To comply with FCC rules on spectral purity
• D. To protect the output amplifier transistors

T0B05

12. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Provide an ability to measure for proper tensioning
• B. Prevent loosening of the turnbuckle from vibration
• C. Provide a ground path for lightning strikes
• D. Secure the guy line if the turnbuckle breaks

T8B08

13. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• B. The satellite operates using ultraviolet frequencies
• C. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• D. The satellite frequencies are usually variable

T6D10

14. What is the function of component 2 in figure T-1?

• A. Convert electrical energy into radio waves
• B. Give off light when current flows through it
• C. Supply electrical energy
• D. Control the flow of current

T3A09

15. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. Digital modes are unusable
• B. Either vertically or horizontally polarized antennas may be used for transmission or reception
• C. Both the transmitting and receiving antennas must be of the same polarization
• D. FM voice is unusable

T1E01

16. When may an amateur station transmit without a control operator?

• A. When using automatic control, such as in the case of a repeater
• B. When the station licensee is away and another licensed amateur is using the station
• C. Never
• D. When the transmitting station is an auxiliary station

T2C03

17. What technique is used to ensure that voice messages containing unusual words are received correctly?

• A. Send the words by voice and Morse code
• B. Speak very loudly into the microphone
• C. Spell the words using a standard phonetic alphabet
• D. All these choices are correct

T3C04

18. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Sporadic E
• B. Gray-line propagation
• C. Backscatter
• D. D region absorption

T2B12

19. What is the purpose of the color code used on DMR repeater systems?

• A. Defines the frequency pair to use
• B. Defines the minimum signal level required for access
• C. Must match the repeater color code for access
• D. Identifies the codec used

T5D05

20. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 18 ohms
• B. 0.125 ohms
• C. 8 ohms
• D. 13.5 ohms

T0A05

21. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. All these choices are correct
• B. The power supply ripple would greatly increase
• C. The larger fuse would be likely to blow because it is rated for higher current
• D. Excessive current could cause a fire

T2A10

22. What is a band plan, beyond the privileges established by the FCC?

• A. A list of available net frequencies
• B. A list of operating schedules
• C. A voluntary guideline for using different modes or activities within an amateur band
• D. A plan devised by a club to indicate frequency band usage

T9B02

23. What is the most common impedance of coaxial cables used in amateur radio?

• A. 50 ohms
• B. 12 ohms
• C. 8 ohms
• D. 600 ohms

T9A01

24. What is a beam antenna?

• A. An antenna built from aluminum I-beams
• B. An omnidirectional antenna invented by Clarence Beam
• C. An antenna that concentrates signals in one direction
• D. An antenna that reverses the phase of received signals

T4B08

25. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Permits noise or interference reduction by selecting a bandwidth matching the mode
• B. Increases the number of frequencies that can be stored in memory
• C. Permits monitoring several modes at once by selecting a separate filter for each mode
• D. Increases the amount of offset between receive and transmit frequencies

T1D06

26. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. Any such language is prohibited
• B. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• C. There is no such prohibition
• D. The FCC maintains a list of words that are not permitted to be used on amateur frequencies

T0C13

27. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. Anyone who is near an antenna
• B. The station licensee
• C. The FCC
• D. The local zoning board

T8C06

28. How is over the air access to IRLP nodes accomplished?

• A. By entering the proper internet password
• B. By using DTMF signals
• C. By using CTCSS tone codes
• D. By obtaining a password that is sent via voice to the node

T8D08

29. Which of the following is included in packet radio transmissions?

• A. All these choices are correct
• B. A header that contains the call sign of the station to which the information is being sent
• C. Automatic repeat request in case of error
• D. A check sum that permits error detection

T8A08

30. What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

• A. 1 kHz
• B. 15 kHz
• C. 6 kHz
• D. 3 kHz

T1C04

31. What may happen if the FCC is unable to reach you by email?

• A. Revocation of access to the license record in the FCC system
• B. Nothing; there is no such requirement
• C. Revocation of the station license or suspension of the operator license
• D. Fine and suspension of operator license

T3B08

32. What frequency range is referred to as VHF?

• A. 300 kHz to 3000 kHz
• B. 30 kHz to 300 kHz
• C. 300 MHz to 3000 MHz
• D. 30 MHz to 300 MHz

T1F07

33. Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

• A. The person must be a U.S. citizen
• B. All these choices are correct
• C. The foreign station must be in a country with which the U.S. has a third party agreement
• D. The licensed control operator must do the station identification

T6C02

34. What is component 1 in figure T-1?

• A. Battery
• B. Connector
• C. Transistor
• D. Resistor

T1B05

35. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Emergency traffic only
• B. Spread spectrum only
• C. Fixed digital message forwarding systems only
• D. Fast-scan television only