Practice Exam

T1F01

1. When must the station licensee make the station and the station records available for inspection?

• A. At any time ten days after notification by the FCC of such an inspection
• B. Only when presented with a valid warrant by an FCC official or government agent
• C. At any time after a written notification by the FCC of such inspection
• D. At any time upon request by an FCC representative

T5D05

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

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

T0A02

3. What health hazard is posed by electrical current flowing through the body?

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

T6D08

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

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

T6A08

5. What is the function of an SPDT switch?

• A. Two circuits are opened or closed
• B. A single circuit is opened or closed
• C. A single circuit is switched between one of two other circuits
• D. Two circuits are each switched between one of two other circuits

T1C10

6. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as your operator/station license grant appears in the FCC's license database
• B. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
• C. As soon as you receive your license in the mail from the FCC
• D. As soon as your operator/station license grant appears on the ARRL website

T9A10

7. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. Broadside to the antenna
• B. Off the ends of the antenna
• C. In the direction of the feed line
• D. Equally in all directions

T2C07

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

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

T2B08

9. Which of the following applies when two stations transmitting on the same frequency interfere with each other?

• A. The stations should negotiate continued use of the frequency
• B. Use subaudible tones so both stations can share the frequency
• C. Both stations should choose another frequency to avoid conflict
• D. Whichever station was on the frequency first has preemptive rights to the frequency

T7B08

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

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

T6C01

11. What is an electrical diagram using standard component symbols called?

• A. Instrumentation system
• B. Flow chart
• C. Connection chart
• D. Schematic

T1D03

12. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Never
• B. Only when transmitting certain approved digital codes
• C. Only when transmitting control commands to space stations or model craft
• D. Only when using a remote station during a contest

T5C06

13. What is the abbreviation for kilohertz?

• A. KHZ
• B. kHz
• C. KHz
• D. khz

T9B05

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

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

T4A01

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

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

T8D12

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

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

T0C01

17. What type of radiation are radio signals?

• A. Ionizing radiation
• B. Non-ionizing radiation
• C. Alpha radiation
• D. Gamma radiation

T2A01

18. What is a common repeater frequency offset in the 2-meter band?

• A. Plus or minus 5 MHz
• B. Plus or minus 500 kHz
• C. Plus or minus 600 kHz
• D. Plus or minus 1 MHz

T8C01

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

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

T3C06

20. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. Tropospheric ducting
• B. F2 region refraction
• C. Faraday rotation
• D. D region refraction

T7D10

21. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Decreasing resistance with time
• B. Increasing resistance with time
• C. Steady full-scale reading
• D. Alternating between open and short circuit

T6B03

22. Which of these components can be used as an electronic switch?

• A. Thermistor
• B. Potentiometer
• C. Varistor
• D. Transistor

T1E08

23. Which of the following is an example of automatic control?

• A. Controlling a station over the internet
• B. Repeater operation
• C. Using a computer or other device to send CW automatically
• D. Using a computer or other device to identify automatically

T3B03

24. What are the two components of a radio wave?

• A. Voltage and current
• B. Impedance and reactance
• C. Ionizing and non-ionizing radiation
• D. Electric and magnetic fields

T8B04

25. What mode of transmission is commonly used by amateur radio satellites?

• A. All these choices are correct
• B. SSB
• C. CW/data
• D. FM

T8A08

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

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

T0B02

27. What is required when climbing an antenna tower?

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

T7C03

28. What does a typical RF dummy load consist of?

• A. A 50-ohm inductive reactance mounted in a shielded enclosure
• B. A 50-ohm non-inductive resistor mounted on a heat sink
• C. A low-voltage power supply and an AC relay
• D. A low-voltage power supply and a DC relay

T5A06

29. What is the unit of frequency?

• A. Henry
• B. Hertz
• C. Epicycles per second
• D. Farad

T5B12

30. Which is equal to 28400 kHz?

• A. 284.00 MHz
• B. 28.400 kHz
• C. 2.800 MHz
• D. 28.400 MHz

T7A09

31. What is the function of the switch which selects either SSB or CW-FM on some VHF power amplifiers?

• A. Reduce the received signal noise
• B. Set the amplifier for proper operation in the selected mode
• C. Change the frequency range of the amplifier to operate in the proper segment of the band
• D. Change the mode of the transmitted signal

T1B03

32. Which frequency is in the 6-meter amateur band?

• A. 222.15 MHz
• B. 28.50 MHz
• C. 52.525 MHz
• D. 49.00 MHz

T4B01

33. What is the effect of excessive microphone gain on SSB transmissions?

• A. Distorted transmitted audio
• B. Sideband inversion
• C. Frequency instability
• D. Increased SWR

T3A04

34. What is the effect of antenna cross-polarization over a line-of-sight VHF or UHF path?

• A. Signals have an echo effect
• B. Modulation sidebands might become inverted
• C. Received signal strength is reduced
• D. Nothing significant will happen

T1A02

35. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. The FCC
• B. Homeland Security
• C. All these choices are correct
• D. ARRL