Practice Exam

T1C03

1. What types of international communications is an FCC-licensed amateur radio station permitted to make?

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

T1A01

2. Which of the following is a purpose of the Amateur Radio Service as stated in the FCC rules and regulations?

• A. All of these choices are correct
• B. Providing personal radio communications for as many citizens as possible
• C. Advancing skills in the technical and communication phases of the radio art
• D. Providing communications for international non-profit organizations

T7A03

3. Which of the following is used to convert a radio signal from one frequency to another?

• A. Inverter
• B. Mixer
• C. Amplifier
• D. Phase splitter

T0A09

4. What should be done to all external ground rods or earth connections?

• A. Waterproof them with silicone caulk or electrical tape
• B. Keep them as far apart as possible
• C. Bond them together with heavy wire or conductive strap
• D. Tune them for resonance on the lowest frequency of operation

T6B02

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

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

T2B14

6. Which of the following describes a linked repeater network?

• A. A repeater with more than one receiver
• B. A system of repeaters linked by APRS
• C. A network of repeaters where signals received by one repeater are repeated by all the repeaters
• D. Multiple repeaters with the same owner

T1B10

7. Which of the following HF bands have frequencies available to the Technician class operator for RTTY and data transmissions?

• A. 10 meter, 12 meter, 17 meter, and 40 meter bands
• B. 10 meter, 15 meter, 40 meter, and 80 meter bands
• C. 10 meter band only
• D. 30 meter band only

T2C08

8. Which of the following is a characteristic of good traffic handling?

• A. Passing messages exactly as received
• B. Ensuring that any newsworthy messages are relayed to the news media
• C. All of these choices are correct
• D. Making decisions as to whether messages are worthy of relay or delivery

T9B05

9. In general, what happens as the frequency of a signal passing through coaxial cable is increased?

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

T4A10

10. What is the source of a high-pitched whine that varies with engine speed in a mobile transceiver's receive audio?

• A. The ignition system
• B. Anti-lock braking system controllers
• C. The electric fuel pump
• D. The alternator

T7C05

11. Why do most solid-state amateur radio transmitters reduce output power as SWR increases?

• A. To protect the output amplifier transistors
• B. To improve the impedance match to the feed line
• C. Because power supplies cannot supply enough current at high SWR
• D. To comply with FCC rules on spectral purity

T5D06

12. What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

• A. 48 ohms
• B. 16 ohms
• C. 8 ohms
• D. 3 ohms

T6C01

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

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

T9A10

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

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

T3C02

15. Which of the following is an advantage of HF vs VHF and higher frequencies?

• A. HF accommodates wider bandwidth signals
• B. There is less atmospheric interference (static) on HF
• C. Long distance ionospheric propagation is far more common on HF
• D. HF antennas are generally smaller

T8C10

16. What must be done before you may use the EchoLink system to communicate using a repeater?

• A. You must have purchased a license to use the EchoLink software
• B. You must complete the required EchoLink training
• C. You must register your call sign and provide proof of license
• D. You must be sponsored by a current EchoLink user

T6A08

17. What electrical component is used to connect or disconnect electrical circuits?

• A. Magnetron
• B. All of these choices are correct
• C. Thermistor
• D. Switch

T0B12

18. Which of the following is good practice when installing ground wires on a tower for lightning protection?

• A. Make sure that all bends in the ground wires are clean, right-angle bends
• B. All of these choices are correct
• C. Ensure that connections are short and direct
• D. Put a loop in the ground connection to prevent water damage to the ground system

T0C09

19. How can you make sure your station stays in compliance with RF safety regulations?

• A. By making sure your antennas have low SWR
• B. By informing the FCC of any changes made in your station
• C. By re-evaluating the station whenever an item of equipment is changed
• D. All of these choices are correct

T3A08

20. Which of the following is a likely cause of irregular fading of signals received by ionospheric reflection?

• A. Frequency shift due to Faraday rotation
• B. Interference from thunderstorms
• C. Random combining of signals arriving via different paths
• D. Intermodulation distortion

T6D02

21. What is a relay?

• A. A pass transistor
• B. A current controlled amplifier
• C. An electrically-controlled switch
• D. An optical sensor

T1D11

22. When may an amateur station transmit without on-the-air identification?

• A. When transmitting signals to control model craft
• B. When the transmitted power level is below 1 watt
• C. When the transmissions are unmodulated
• D. When the transmissions are of a brief nature to make station adjustments

T5C02

23. What is the basic unit of capacitance?

• A. The volt
• B. The ohm
• C. The henry
• D. The farad

T1E08

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

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

T7D03

25. How is a simple ammeter connected to a circuit?

• A. In phase with the circuit
• B. In series with the circuit
• C. In quadrature with the circuit
• D. In parallel with the circuit

T1F02

26. When using tactical identifiers such as "Race Headquarters" during a community service net operation, how often must your station transmit the station's FCC-assigned call sign?

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

T3B06

27. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals frequency in hertz multiplied by 300
• B. Wavelength in meters equals 300 divided by frequency in megahertz
• C. Wavelength in meters equals frequency in hertz divided by 300
• D. Wavelength in meters equals frequency in megahertz divided by 300

T2A11

28. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Multiplex
• B. Full duplex
• C. Diplex
• D. Simplex

T4B13

29. Which of the following is a use for the scanning function of an FM transceiver?

• A. To check incoming signal deviation
• B. To check for messages left on a digital bulletin board
• C. To prevent interference to nearby repeaters
• D. To scan through a range of frequencies to check for activity

T8D07

30. Which of the following best describes DMR (Digital Mobile Radio)?

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

T5B07

31. If a frequency display calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?

• A. 3,525,000 kHz
• B. 3525 kHz
• C. 35.25 kHz
• D. 0.003525 kHz

T7B05

32. How can overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Switch the transmitter to a narrow-band mode
• B. Switch the transmitter from FM to SSB
• C. Block the amateur signal with a filter at the antenna input of the affected receiver
• D. Block the interfering signal with a filter on the amateur transmitter

T5A02

33. Electrical power is measured in which of the following units?

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

T8A06

34. Which sideband is normally used for 10 meter HF, VHF, and UHF singlesideband communications?

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

T8B04

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

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