Practice Exam

T0B11

1. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. Local electrical codes
• B. FCC Part 97 rules
• C. FAA tower lighting regulations
• D. UL recommended practices

T7A08

2. Which of the following describes combining speech with an RF carrier signal?

• A. Oscillation
• B. Modulation
• C. Low-pass filtering
• D. Impedance matching

T1F07

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

T1E03

4. Who must designate the station control operator?

• A. The station licensee
• B. The FCC
• C. The frequency coordinator
• D. Any licensed operator

T5C11

5. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 12 amperes
• B. 132 amperes
• C. 10 amperes
• D. 0.1 amperes

T5B10

6. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -3 dB
• B. -1 dB
• C. -6 dB
• D. -9 dB

T9A08

7. What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

• A. 12
• B. 19
• C. 112
• D. 50

T6C07

8. What is component 8 in figure T-2?

• A. Light emitting diode
• B. Inductor
• C. Regulator IC
• D. Resistor

T1B10

9. Where may SSB phone be used in amateur bands above 50 MHz?

• A. Only on repeaters
• B. On any band if the power is limited to 25 watts
• C. Only in sub-bands allocated to General class or higher licensees
• D. In at least some segment of all these bands

T0C06

10. Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

• A. By calculation based on FCC OET Bulletin 65
• B. By calculation based on computer modeling
• C. All these choices are correct
• D. By measurement of field strength using calibrated equipment

T1A10

11. What is the Radio Amateur Civil Emergency Service (RACES)?

• A. A radio service using amateur frequencies for emergency management or civil defense communications
• B. All these choices are correct
• C. An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
• D. A radio service using amateur stations for emergency management or civil defense communications

T9B04

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

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

T2C06

13. What is the Amateur Radio Emergency Service (ARES)?

• A. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• B. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• C. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• D. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service

T4A10

14. What function is performed with a transceiver and a digital mode hot spot?

• A. Communication using digital voice or data systems via the internet
• B. RTTY encoding and decoding without a computer
• C. High-speed digital communications for meteor scatter
• D. FT8 digital communications via AFSK

T0A01

15. Which of the following is a safety hazard of a 12-volt storage battery?

• A. Shorting the terminals can cause burns, fire, or an explosion
• B. RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
• C. Touching both terminals with the hands can cause electrical shock
• D. All these choices are correct

T6A04

16. What electrical component stores energy in an electric field?

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

T8C05

17. What is a grid locator?

• A. An instrument for radio direction finding
• B. An instrument for neutralizing a final amplifier
• C. A letter-number designator assigned to a geographic location
• D. A letter-number designator assigned to an azimuth and elevation

T8D13

18. What is FT8?

• A. A digital mode capable of low signal-to-noise operation
• B. A digital slow-scan TV mode with forward error correction and automatic color compensation
• C. A wideband FM voice mode
• D. An eight channel multiplex mode for FM repeaters

T6B04

19. Which of the following components can consist of three regions of semiconductor material?

• A. Transistor
• B. Triode
• C. Pentagrid converter
• D. Alternator

T1D02

20. Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

• A. Telecommand or transmissions of telemetry
• B. In all circumstances
• C. International Morse Code Practice
• D. Broadcasting

T3C11

21. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. Radio waves are blocked by dust particles
• B. Radio signals move somewhat faster than the speed of light
• C. Radio waves are not blocked by dust particles
• D. The atmosphere refracts radio waves slightly

T8A05

22. Which of the following types of signal has the narrowest bandwidth?

• A. CW
• B. SSB voice
• C. Slow-scan TV
• D. FM voice

T4B08

23. 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. Increases the amount of offset between receive and transmit frequencies
• C. Permits monitoring several modes at once by selecting a separate filter for each mode
• D. Permits noise or interference reduction by selecting a bandwidth matching the mode

T3B01

24. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are at right angles
• B. They revolve in opposite directions
• C. They are in parallel
• D. They travel at different speeds

T7B08

25. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. Work with your neighbor to identify the offending device
• B. Make sure your station meets the standards of good amateur practice
• C. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
• D. All these choices are correct

T7C04

26. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. Zero
• B. Full Scale
• C. 1:1
• D. 50:50

T3A02

27. What is the effect of vegetation on UHF and microwave signals?

• A. Knife-edge diffraction
• B. Amplification
• C. Absorption
• D. Polarization rotation

T6D06

28. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Diode
• B. Variable capacitor
• C. Transistor
• D. Transformer

T7D04

29. Which instrument is used to measure electric current?

• A. An electrometer
• B. An ammeter
• C. A voltmeter
• D. An ohmmeter

T1C04

30. 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

T2B09

31. Why are simplex channels designated in the VHF/UHF band plans?

• A. So stations within range of each other can communicate without tying up a repeater
• B. For working DX only
• C. For contest operation
• D. So stations with simple transmitters can access the repeater without automated offset

T5A08

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

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

T5D14

33. In which type of circuit is voltage the same across all components?

• A. Series
• B. Parallel
• C. Resonant
• D. Branch

T2A05

34. How should you respond to a station calling CQ?

• A. Transmit a signal report followed by your call sign
• B. Transmit your call sign followed by the other station's call sign
• C. Transmit "CQ" followed by the other station's call sign
• D. Transmit the other station's call sign followed by your call sign

T8B09

35. What causes spin fading of satellite signals?

• A. Interfering signals within the satellite uplink band
• B. Doppler shift of the received signal
• C. Circular polarized noise interference radiated from the sun
• D. Rotation of the satellite and its antennas