Practice Exam

T0A03

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

• A. Hot
• B. Equipment ground
• C. Neutral
• D. Negative

T8C10

2. What is required before using the EchoLink system?

• A. Register your call sign and provide proof of license
• B. Complete the required EchoLink training
• C. At least a General Class license
• D. Purchase a license to use the EchoLink software

T3B10

3. What frequency range is referred to as HF?

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

T1B05

4. Which of the following bands include frequencies where Technicians are authorized to use digital modes such as FT8?

• A. All these choices are correct
• B. 6 meters
• C. 10 meters
• D. 2 meters

T4B01

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

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

T7B09

6. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a preamplifier to the TV antenna input
• B. Add a high-pass filter to the TV antenna input
• C. Add a low-pass filter to the TV antenna input
• D. Be sure all TV feed line coaxial connectors are installed properly

T7A01

7. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Sensitivity
• B. Total Harmonic Distortion
• C. RF gain
• D. Selectivity

T1E10

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

• A. Controlling a model aircraft, boat, or car by amateur radio
• B. Earth-Moon-Earth (EME) communication
• C. Operating the station over the internet
• D. A software defined radio (SDR)

T1D01

9. With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

• A. Any country banned from such communications by the International Amateur Radio Union (IARU)
• B. Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
• C. Any country banned from making such communications by the American Radio Relay League (ARRL)
• D. Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications

T7C11

10. What is an advantage of foam-dielectric versus solid-dielectric coaxial cable?

• A. It has higher voltage breakdown
• B. It has less loss per foot
• C. It has a better impedance match to 50 ohms
• D. It is more resistant to moisture contamination

T2B07

11. How can you join a digital repeater's "talkgroup"?

• A. Program your radio with the DTMF tone used by the talkgroup
• B. Program your radio with the group's ID or code
• C. Register with the local Frequency Coordinator
• D. Register with the digital repeater control operator

T1A03

12. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. It is encouraged when using phone emissions
• B. All these choices are correct
• C. It is required when in contact with foreign stations
• D. It is required when transmitting emergency messages

T6B09

13. What are the names for the electrodes of a diode?

• A. Source and drain
• B. Gate and base
• C. Anode and cathode
• D. Plus and minus

T8B07

14. What is Doppler shift in reference to satellite communications?

• A. A mode where the satellite receives signals on one band and transmits on another
• B. A change in the satellite orbit
• C. An observed change in signal frequency caused by relative motion between the satellite and Earth station
• D. A special digital communications mode for some satellites

T8A06

15. Which sideband is normally used for 10-meter HF, VHF, and UHF single-sideband communications?

• A. Upper sideband
• B. Suppressed sideband
• C. Inverted sideband
• D. Lower sideband

T4A09

16. How can you determine the length of time that equipment can be powered from a battery?

• A. Multiply the square of the current rating of the battery by the input resistance of the equipment
• B. Divide the battery ampere-hour rating by the average current draw of the equipment
• C. Multiply the watts per hour consumed by the equipment by the battery power rating
• D. Divide the watt-hour rating of the battery by the peak power consumption of the equipment

T9A08

17. Why is a 19-inch-long vertical antenna often used on 2 meters?

• A. It has high gain
• B. It is a resonant half-wave
• C. It is a resonant quarter-wave
• D. It has low RF radiation exposure

T0B09

18. Why should you avoid attaching an antenna to a utility pole?

• A. The antenna will not work properly because of induced voltages
• B. The antenna could contact high-voltage power lines
• C. All these choices are correct
• D. The antenna may unbalance the power transformer, causing power fluctuations

T7D02

19. How is a voltmeter connected to a component to measure applied voltage?

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

T0C01

20. What type of radiation are radio signals?

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

T9B05

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

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

T6C12

22. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. All these choices are correct
• C. Wire lengths
• D. Physical appearance of components

T1C03

23. What types of international communications are FCC-licensed amateur radio stations permitted to make?

• A. Communications incidental to conducting business or remarks of a personal nature
• B. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
• C. Any communications that would be permitted by an international broadcast station
• D. Only communications incidental to contest exchanges; all other communications are prohibited

T3C10

24. Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?

• A. 6 and 10 meters
• B. 23 centimeters
• C. 70 centimeters and 1.25 meters
• D. All these choices are correct

T2C12

25. Which of the following requires certification by a civil defense agency?

• A. ARES
• B. RACES
• C. SKYWARN
• D. MARS

T3A11

26. Which region of the atmosphere can reflect HF radio waves?

• A. The electrosphere
• B. The troposphere
• C. The stratosphere
• D. The ionosphere

T1F11

27. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must be registered with the American Radio Relay League (ARRL)
• B. The trustee must have an Amateur Extra Class operator license grant
• C. The club must have at least four members
• D. All these choices are correct

T5B02

28. Which is equal to 1,500,000 hertz?

• A. 15 GHz
• B. 1500 kHz
• C. 1500 MHz
• D. 150 kHz

T5C05

29. What is the unit of impedance?

• A. Coulomb
• B. Volt
• C. Ampere
• D. Ohm

T2A02

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

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

T5D10

31. What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

• A. 0.25 volts
• B. 2.5 volts
• C. 1.5 volts
• D. 1 volt

T5A09

32. Which of the following describes alternating current?

• A. Current that alternates between a positive direction and zero
• B. All these answers are correct
• C. Current that alternates between a negative direction and zero
• D. Current that alternates between positive and negative directions

T6D05

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

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

T8D07

34. Which of the following describes DMR?

• A. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• B. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
• C. An automatic position tracking mode for FM mobiles communicating through repeaters
• D. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle

T6A11

35. Which of the following battery chemistries is not rechargeable?

• A. Lithium-ion
• B. Nickel-cadmium
• C. Lead-acid
• D. Carbon-zinc