Practice Exam

T3C05

1. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Faraday rotation
• B. Doppler shift
• C. Knife-edge diffraction
• D. Quantum tunneling

T5B07

2. Which is equal to 3.525 MHz?

• A. 35.25 kHz
• B. 3,525,000 kHz
• C. 0.003525 kHz
• D. 3525 kHz

T7A02

3. What is a transceiver?

• A. A device for matching feed line impedance to 50 ohms
• B. A device that combines a receiver and transmitter
• C. A device for converting receiver and transmitter frequencies to another band
• D. A device for automatically sending and decoding Morse code

T2A08

4. What is the meaning of the procedural signal "CQ"?

• A. Test transmission, no reply expected
• B. Calling any station
• C. Only the called station should transmit
• D. Call on the quarter hour

T8C02

5. Which of these items would be useful for a hidden transmitter hunt?

• A. Calibrated SWR meter
• B. A directional antenna
• C. All these choices are correct
• D. A calibrated noise bridge

T3B10

6. What frequency range is referred to as HF?

• A. 30 to 300 MHz
• B. 300 to 3000 MHz
• C. 3 to 30 MHz
• D. 300 to 3000 kHz

T1A11

7. When is willful interference to other amateur radio stations permitted?

• A. To stop another amateur station that is breaking the FCC rules
• B. At no time
• C. When making short test transmissions
• D. At any time, stations in the Amateur Radio Service are not protected from willful interference

T1D10

8. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Any transmission made by the licensed station
• B. Transmissions intended for reception by the general public
• C. Transmission of messages directed only to amateur operators
• D. Two-way transmissions by amateur stations

T8A01

9. Which of the following is a form of amplitude modulation?

• A. Packet radio
• B. Phase shift keying (PSK)
• C. Single sideband
• D. Spread spectrum

T4A03

10. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To avoid RF interference
• B. All these choices are correct
• C. To minimize voltage drop when transmitting
• D. To provide a good counterpoise for the antenna

T1E10

11. Which of the following is an example of remote control as defined in Part 97?

• A. Repeater operation
• B. Operating the station over the internet
• C. Controlling a model aircraft, boat, or car by amateur radio
• D. All these choices are correct

T1C04

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

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

T8D04

13. What type of transmission is indicated by the term "NTSC?"

• A. An analog fast-scan color TV signal
• B. A special mode for satellite uplink
• C. A frame compression scheme for TV signals
• D. A Normal Transmission mode in Static Circuit

T2B02

14. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. Tone burst
• B. CTCSS
• C. DTMF
• D. Carrier squelch

T6D01

15. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Transformer
• B. Reflector
• C. Rectifier
• D. Amplifier

T7D07

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

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

T5D12

17. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 12 volts
• B. 8 volts
• C. 0.2 volts
• D. 20 volts

T6A03

18. What electrical parameter is controlled by a potentiometer?

• A. Resistance
• B. Capacitance
• C. Field strength
• D. Inductance

T7C08

19. Which instrument can be used to determine SWR?

• A. Ohmmeter
• B. Directional wattmeter
• C. Iambic pentameter
• D. Voltmeter

T2C05

20. What does the term "traffic" refer to in net operation?

• A. Requests to activate the net by a served agency
• B. Messages exchanged by net stations
• C. Operation by mobile or portable stations
• D. The number of stations checking in and out of a net

T4B08

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

• A. Increases the number of frequencies that can be stored in memory
• B. Permits noise or interference reduction by selecting a bandwidth matching the mode
• 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

T6C04

22. What is component 3 in figure T-1?

• A. Transistor
• B. Resistor
• C. Ground symbol
• D. Lamp

T0B02

23. What is required when climbing an antenna tower?

• A. All these choices are correct
• B. Always wear an approved climbing harness
• C. Have sufficient training on safe tower climbing techniques
• D. Use appropriate tie-off to the tower at all times

T0A08

24. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In parallel with the hot and neutral conductors
• B. In parallel with the hot conductor only
• C. In series with the hot conductor only
• D. In series with the hot and neutral conductors

T6B10

25. Which of the following can provide power gain?

• A. Resistor
• B. Transformer
• C. Transistor
• D. Reactor

T5C09

26. How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

• A. 138 watts
• B. 3.8 watts
• C. 0.7 watts
• D. 23.8 watts

T8B10

27. What is a LEO satellite?

• A. A highly elliptical orbit satellite
• B. A satellite in low energy operation mode
• C. A sun synchronous satellite
• D. A satellite in low earth orbit

T0C02

28. At which of the following frequencies does maximum permissible exposure have the lowest value?

• A. 1296 MHz
• B. 440 MHz
• C. 3.5 MHz
• D. 50 MHz

T5A10

29. Which term describes the rate at which electrical energy is used?

• A. Power
• B. Voltage
• C. Resistance
• D. Current

T1B08

30. How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

• A. U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
• B. U.S. amateurs must give foreign amateur stations priority in those segments
• C. Digital transmissions are not permitted in those segments
• D. International communications are not permitted in those segments

T1F06

31. Which of the following self-assigned indicators are acceptable when using a phone transmission?

• A. KL7CC slash W3
• B. KL7CC slant W3
• C. All these choices are correct
• D. KL7CC stroke W3

T9B05

32. What happens as the frequency of a signal in coaxial cable is increased?

• A. The characteristic impedance decreases
• B. The characteristic impedance increases
• C. The loss decreases
• D. The loss increases

T9A04

33. What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

• A. It transmits only circularly polarized signals
• B. It is mechanically fragile
• C. It has low efficiency
• D. All these choices are correct

T7B01

34. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Let the transceiver cool off
• B. Talk louder into the microphone
• C. Talk farther away from the microphone
• D. Change to a higher power level

T3A09

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

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