Practice Exam

T5D14

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

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

T3C05

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

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

T0A06

3. What is a good way to guard against electrical shock at your station?

• A. Use three-wire cords and plugs for all AC powered equipment
• B. Connect all AC powered station equipment to a common safety ground
• C. All these choices are correct
• D. Ensure all capacitors used for high-voltage DC are fully discharged before working inside equipment

T1D08

4. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is related to the sale of amateur equipment by the control operator's employer
• B. When the communication is made to obtain emergency information for a local broadcast station
• C. When the communication is a part of classroom instruction at an educational institution
• D. All these choices are correct

T0B03

5. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When the work being done is not more than 20 feet above the ground
• B. Never
• C. When no mechanical work is being performed
• D. When no electrical work is being performed

T1C02

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

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

T8D12

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

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

T5A01

8. Electrical current is measured in which of the following units?

• A. Amperes
• B. Volts
• C. Watts
• D. Ohms

T1A07

9. What is the FCC Part 97 definition of a space station?

• A. Any satellite orbiting Earth
• B. An amateur station located more than 50 km above Earth's surface
• C. An amateur station using amateur radio satellites for relay of signals
• D. A manned satellite orbiting Earth

T1F02

10. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. At least every 10 minutes during and at the end of a communication
• B. Once every hour
• C. Never, the tactical call is sufficient
• D. At the end of every transmission

T4B04

11. What does an FM signal sound like when received slightly off frequency?

• A. The audio increases in pitch
• B. The audio decrease in pitch
• C. There is no effect except for reduction in amplitude
• D. The audio becomes distorted

T7C05

12. Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

• A. Because power supplies cannot supply enough current at high SWR
• B. To protect the RF output amplifier transistors
• C. To lower the SWR on the transmission line
• D. To comply with FCC rules on spectral purity

T7D03

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

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

T8C11

14. What is an amateur radio station that connects other amateur stations to the internet?

• A. A digipeater
• B. A beacon
• C. A gateway
• D. A repeater

T5C06

15. What is the abbreviation for kilohertz?

• A. khz
• B. kHz
• C. KHz
• D. KHZ

T2B08

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

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

T3A05

17. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Change from vertical to horizontal polarization
• B. Try the long path
• C. Increase the antenna SWR
• D. Try to find a path that reflects signals to the repeater

T2C09

18. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only when part of a RACES emergency plan
• B. Yes, but only when part of a FEMA emergency plan
• C. Yes, but only in situations involving the immediate safety of human life or protection of property
• D. No

T0C01

19. What type of radiation are radio signals?

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

T4A07

20. Which of the following is one of the connections required between a computer and a transceiver to operate digital modes?

• A. Computer "line in" to transceiver push-to-talk
• B. Computer "line out" to transceiver push-to-talk
• C. Computer "line in" to transceiver speaker connector
• D. Computer "line out" to transceiver speaker connector

T5B03

21. Which is equal to one kilovolt?

• A. One one-thousandth of a volt
• B. One hundred volts
• C. One million volts
• D. One thousand volts

T6D05

22. What type of circuit controls the amount of voltage from a power supply?

• A. Phase inverter
• B. Oscillator
• C. Regulator
• D. Filter

T2A02

23. What is the national calling frequency for FM simplex operations in the 2-meter band?

• A. 446.000 MHz
• B. 432.100 MHz
• C. 145.000 MHz
• D. 146.520 MHz

T7A07

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

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

T6A08

25. What is the function of an SPDT switch?

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

T7B11

26. Which of the following can eliminate distorted voice transmissions?

• A. Adding extra feedline to the antenna to lower SWR
• B. Turning the squelch control fully clockwise to prevent the transmitted signal from triggering the squelch circuit
• C. Adding a clip-on ferrite "choke" to the microphone cable to prevent the transmitted signal from feeding back into the transmitter
• D. Turning the radio on and off to reset the computer-controlled circuitry

T6C11

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

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

T3B12

28. Which of these frequencies travels at the highest velocity in free space?

• A. All radio frequencies travel at the same velocity
• B. VHF
• C. UHF
• D. Microwaves

T6B02

29. What electronic component allows current to flow in only one direction?

• A. Resistor
• B. Fuse
• C. Driven element
• D. Diode

T1B03

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

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

T9A06

31. Which of the following types of antennas offers the greatest gain?

• A. Isotropic
• B. J pole
• C. Yagi
• D. 5/8 wave vertical

T9B04

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

• A. It helps a receiver automatically tune in weak stations
• 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 automatically selects the proper antenna for the frequency band being used

T8A04

33. Which type of modulation is commonly used for VHF and UHF voice repeaters?

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

T8B05

34. What is a satellite beacon?

• A. An indicator light that shows where to point your antenna
• B. A transmission from a satellite that contains status information
• C. The primary transmit antenna on the satellite
• D. A reflective surface on the satellite

T1E05

35. What is an amateur station's control point?

• A. The location of the station's transmitting apparatus
• B. The location of the station's transmitting antenna
• C. The location at which the control operator function is performed
• D. The mailing address of the station licensee