Practice Exam

T7B01

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

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

T6A07

2. What electrical component is typically constructed as a coil of wire?

• A. Switch
• B. Diode
• C. Inductor
• D. Capacitor

T8C01

3. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Echolocation
• B. Doppler radar
• C. Phase locking
• D. Radio direction finding

T3B10

4. What frequency range is referred to as HF?

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

T7D03

5. When configured to measure current, how is a multimeter connected to a component?

• A. In phase
• B. In quadrature
• C. In parallel
• D. In series

T5D03

6. What formula is used to calculate resistance in a circuit?

• A. R = E x I
• B. R = E / I
• C. R = E + I
• D. R = E - I

T6D09

7. What is the name of a device that combines several semiconductors and other components into one package?

• A. Integrated circuit
• B. Transducer
• C. Transformer
• D. Multi-pole relay

T2B10

8. Which Q signal indicates that you are receiving interference from other stations?

• A. QRN
• B. QTH
• C. QRM
• D. QSB

T6B05

9. What type of transistor has a gate, drain, and source?

• A. Varistor
• B. Bipolar junction
• C. Field-effect
• D. Tesla-effect

T9B04

10. What is the major function of an antenna tuner (antenna coupler)?

• A. It automatically selects the proper antenna for the frequency band being used
• B. It allows an antenna to be used on both transmit and receive
• C. It matches the antenna system impedance to the transceiver's output impedance
• D. It helps a receiver automatically tune in weak stations

T4B11

11. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. Your output power
• B. Your call sign
• C. All these choices are correct
• D. The codec type being used

T6C11

12. What is component 4 in figure T-3?

• A. Ground
• B. Dummy load
• C. Antenna
• D. Transmitter

T2A10

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

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

T1E10

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

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

T3C02

15. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. There is less atmospheric interference (static) on HF
• B. Long-distance ionospheric propagation is far more common on HF
• C. HF antennas are generally smaller
• D. HF accommodates wider bandwidth signals

T4A02

16. Which of the following should be considered when selecting an accessory SWR meter?

• A. The frequency and power level at which the measurements will be made
• B. All these choices are correct
• C. The distance that the meter will be located from the antenna
• D. The types of modulation being used at the station

T8A02

17. What type of modulation is commonly used for VHF packet radio transmissions?

• A. SSB
• B. FM or PM
• C. AM
• D. PSK

T2C07

18. Which of the following is standard practice when you participate in a net?

• A. Record the time of each of your transmissions
• B. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• C. All these choices are correct
• D. Unless you are reporting an emergency, transmit only when directed by the net control station

T1D04

19. Under what conditions is an amateur station authorized to transmit music using a phone emission?

• A. When incidental to an authorized retransmission of manned spacecraft communications
• B. When the music is transmitted above 1280 MHz
• C. When the music produces no spurious emissions
• D. When transmissions are limited to less than three minutes per hour

T7C01

20. What is the primary purpose of a dummy load?

• A. To improve the efficiency of an antenna
• B. To prevent transmitting signals over the air when making tests
• C. To prevent over-modulation of a transmitter
• D. To improve the signal-to-noise ratio of a receiver

T1B04

21. Which amateur band includes 146.52 MHz?

• A. 6 meters
• B. 20 meters
• C. 2 meters
• D. 70 centimeters

T1A11

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

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

T1F04

23. What language may you use for identification when operating in a phone sub-band?

• A. English
• B. Any language recognized by the United Nations
• C. English, French, or Spanish
• D. Any language recognized by the ITU

T0C12

24. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation is perfectly safe
• B. RF radiation is limited in range to a few feet
• C. RF radiation can only be detected with an RF dosimeter
• D. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA

T5B11

25. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 18 dB
• B. 28 dB
• C. 12 dB
• D. 10 dB

T5A07

26. Why are metals generally good conductors of electricity?

• A. They have relatively high density
• B. They have many free protons
• C. All these choices are correct
• D. They have many free electrons

T0B02

27. What is required when climbing an antenna tower?

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

T8B03

28. Which of the following are provided by satellite tracking programs?

• A. The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
• B. All these choices are correct
• C. Maps showing the real-time position of the satellite track over Earth
• D. The apparent frequency of the satellite transmission, including effects of Doppler shift

T7A03

29. Which of the following is used to convert a signal from one frequency to another?

• A. Phase splitter
• B. Amplifier
• C. Mixer
• D. Inverter

T0A02

30. What health hazard is presented by electrical current flowing through the body?

• A. All these choices are correct
• B. It may cause involuntary muscle contractions
• C. It may disrupt the electrical functions of cells
• D. It may cause injury by heating tissue

T5C09

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

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

T8D12

32. Which of the following best describes an amateur radio mesh network?

• A. A wide-bandwidth digital voice mode employing DMR protocols
• B. An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
• C. A satellite communications network using modified commercial satellite TV hardware
• D. An internet linking protocol used to network repeaters

T3A10

33. What effect does multi-path propagation have on data transmissions?

• A. Transmission rates must be increased by a factor equal to the number of separate paths observed
• B. Error rates are likely to increase
• C. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• D. No significant changes will occur if the signals are transmitted using FM

T1C02

34. Who may select a desired call sign under the vanity call sign rules?

• A. Only a licensed amateur with a General or Amateur Extra Class license
• B. Any licensed amateur
• C. Only a licensed amateur with an Amateur Extra Class license
• D. Only a licensed amateur who has been licensed continuously for more than 10 years

T9A12

35. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It eliminates distortion caused by reflected signals
• B. It has 10 times the power gain of a 1/4 wavelength whip
• C. It radiates at a very high angle
• D. It has more gain than a 1/4-wavelength antenna