Practice Exam

T0C03

1. How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

• A. It increases by a factor of 3
• B. It increases by a factor of 2
• C. There is no adjustment allowed for lower duty cycle
• D. It decreases by 50 percent

T8B09

2. What causes spin fading of satellite signals?

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

T1B12

3. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 100 watts
• B. 1500 watts
• C. 500 watts
• D. 50 watts

T8D13

4. What is FT8?

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

T5D13

5. In which type of circuit is DC current the same through all components?

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

T9A03

6. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A ground-wave antenna
• B. A horizontally polarized antenna
• C. A vertically polarized antenna
• D. A travelling-wave antenna

T1D02

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

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

T7A07

8. What is the function of a transceiver's PTT input?

• A. Provides a transmit tuning tone when grounded
• B. Input for a key used to send CW
• C. Input for a preamplifier tuning tone
• D. Switches transceiver from receive to transmit when grounded

T2B05

9. What would cause your FM transmission audio to be distorted on voice peaks?

• A. You are talking too loudly
• B. Your transmit power is too high
• C. Your repeater offset is inverted
• D. You need to talk louder

T1C07

10. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to have a copy of your license available at your station
• B. Failure to provide and maintain a correct email address with the FCC
• C. Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
• D. Failure to obtain FCC type acceptance prior to using a home-built transmitter

T3A10

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

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

T2A05

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

• A. Transmit the other station's call sign 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 a signal report followed by your call sign

T8A09

13. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. Between 50 and 125 kHz
• B. About 150 kHz
• C. Between 10 and 15 kHz
• D. Less than 500 Hz

T4A03

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

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

T3C09

15. What is generally the best time for long-distance 10 meter band propagation via the F region?

• A. From dawn to shortly after sunset during periods of high sunspot activity
• B. From shortly after sunset to dawn during periods of low sunspot activity
• C. From dawn to shortly after sunset during periods of low sunspot activity
• D. From shortly after sunset to dawn during periods of high sunspot activity

T3B05

16. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency increase as path length increases
• B. Wavelength gets longer as frequency increases
• C. Wavelength and frequency are unrelated
• D. Wavelength gets shorter as frequency increases

T7B06

17. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. All these choices are correct
• B. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• C. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• D. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

T4B02

18. Which of the following can be used to enter a transceiver's operating frequency?

• A. The Automatic Frequency Control
• B. All these choices are correct
• C. The keypad or VFO knob
• D. The CTCSS or DTMF encoder

T6B08

19. What does the abbreviation FET stand for?

• A. Free Electron Transmitter
• B. Field Effect Transistor
• C. Fast Electron Transistor
• D. Frequency Emission Transmitter

T9B03

20. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is less expensive than any other type of feed line
• B. It can handle more power than any other type of feed line
• C. It is easy to use and requires few special installation considerations
• D. It has less loss than any other type of feed line

T7C03

21. What does a dummy load consist of?

• A. A low-voltage power supply and a DC relay
• B. A high-gain amplifier and a TR switch
• C. A non-inductive resistor mounted on a heat sink
• D. A 50-ohm reactance used to terminate a transmission line

T7D06

22. Which of the following can damage a multimeter?

• A. Not allowing it to warm up properly
• B. Failing to connect one of the probes to ground
• C. Attempting to measure voltage when using the resistance setting
• D. Attempting to measure resistance using the voltage setting

T6A02

23. What type of component is often used as an adjustable volume control?

• A. Potentiometer
• B. Power resistor
• C. Fixed resistor
• D. Transformer

T0B05

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

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

T2C11

25. What is meant by "check" in a radiogram header?

• A. A list of stations that have relayed the message
• B. A box on the message form that indicates that the message was received and/or relayed
• C. The call sign of the originating station
• D. The number of words or word equivalents in the text portion of the message

T6D08

26. Which of the following is combined with an inductor to make a resonant circuit?

• A. Zener diode
• B. Potentiometer
• C. Resistor
• D. Capacitor

T5A07

27. Why are metals generally good conductors of electricity?

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

T1A08

28. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. Frequency Spectrum Manager appointed by the FCC
• B. International Telecommunication Union
• C. FCC Regional Field Office
• D. Volunteer Frequency Coordinator recognized by local amateurs

T1F04

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

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

T5C07

30. What is the abbreviation for megahertz?

• A. Mhz
• B. mh
• C. MH
• D. MHz

T0A03

31. In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

• A. Neutral
• B. Equipment ground
• C. Hot
• D. Black insulation is never used

T6C01

32. What is the name of an electrical wiring diagram that uses standard component symbols?

• A. Schematic
• B. Connector pinout
• C. Bill of materials
• D. Flow chart

T5B08

33. Which is equal to 1,000,000 picofarads?

• A. 1 microfarad
• B. 1,000,000,000 microfarads
• C. 1000 microfarads
• D. 0.001 microfarads

T8C08

34. What is the Internet Radio Linking Project (IRLP)?

• A. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• B. A technique for measuring signal strength of an amateur transmitter via the internet
• C. A system for informing amateurs in real time of the frequency of active DX stations
• D. A system for providing access to websites via amateur radio

T1E06

35. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. When designated as the control operator by an Amateur Extra Class licensee
• B. At no time
• C. When using a club station whose trustee holds an Amateur Extra Class license
• D. As part of a multi-operator contest team