Practice Exam

T3B02

1. What property of a radio wave defines its polarization?

• A. The ratio of the velocity to the wavelength
• B. The ratio of the energy in the magnetic field to the energy in the electric field
• C. The orientation of the electric field
• D. The orientation of the magnetic field

T5B12

2. Which is equal to 28400 kHz?

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

T4B06

3. Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

• A. The RIT or Clarifier
• B. The AGC or limiter
• C. The tone squelch
• D. The bandwidth selection

T0C13

4. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. The FCC
• B. The station licensee
• C. Anyone who is near an antenna
• D. The local zoning board

T1F09

5. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Message forwarding station
• B. Repeater station
• C. Beacon station
• D. Earth station

T4A10

6. What function is performed with a transceiver and a digital mode hot spot?

• A. High-speed digital communications for meteor scatter
• B. RTTY encoding and decoding without a computer
• C. Communication using digital voice or data systems via the internet
• D. FT8 digital communications via AFSK

T0A07

7. Where should a lightning arrester be installed in a coaxial feed line?

• A. On a grounded panel near where feed lines enter the building
• B. At the antenna feed point
• C. At the output connector of a transceiver
• D. At the ac power service panel

T1B03

8. Which frequency is in the 6 meter amateur band?

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

T7D03

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

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

T2C11

10. 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

T6B04

11. Which of the following components can consist of three regions of semiconductor material?

• A. Pentagrid converter
• B. Alternator
• C. Triode
• D. Transistor

T1C07

12. 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

T8B05

13. What is a satellite beacon?

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

T9B05

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

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

T7C06

15. What does an SWR reading of 4:1 indicate?

• A. Gain of +4 dB
• B. Good impedance match
• C. Impedance mismatch
• D. Loss of -4 dB

T2A08

16. What is the meaning of the procedural signal "CQ"?

• A. Call on the quarter hour
• B. Only the called station should transmit
• C. Test transmission, no reply expected
• D. Calling any station

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. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• B. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• C. All these choices are correct
• 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

T2B13

18. What is the purpose of a squelch function?

• A. Mute the receiver audio when a signal is not present
• B. Eliminate parasitic oscillations in an RF amplifier
• C. Reduce a CW transmitter's key clicks
• D. Reduce interference from impulse noise

T9A01

19. What is a beam antenna?

• A. An antenna that concentrates signals in one direction
• B. An antenna that reverses the phase of received signals
• C. An omnidirectional antenna invented by Clarence Beam
• D. An antenna built from aluminum I-beams

T5A05

20. What is the electrical term for the force that causes electron flow?

• A. Ampere-hours
• B. Capacitance
• C. Voltage
• D. Inductance

T3C04

21. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Backscatter
• B. D region absorption
• C. Gray-line propagation
• D. Sporadic E

T6A06

22. What type of electrical component stores energy in a magnetic field?

• A. Diode
• B. Varistor
• C. Capacitor
• D. Inductor

T8A11

23. What is the approximate bandwidth required to transmit a CW signal?

• A. 2.4 kHz
• B. 150 Hz
• C. 15 kHz
• D. 1000 Hz

T7A07

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

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

T6C11

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

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

T1D06

26. What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

• A. There is no such prohibition
• B. The ITU maintains a list of words that are not permitted to be used on amateur frequencies
• C. Any such language is prohibited
• D. The FCC maintains a list of words that are not permitted to be used on amateur frequencies

T8C01

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

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

T6D04

28. Which of the following displays an electrical quantity as a numeric value?

• A. Transistor
• B. Meter
• C. Relay
• D. Potentiometer

T1A01

29. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

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

T0B06

30. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. The height of the power line above ground
• B. Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
• C. 1/2 wavelength at the operating frequency
• D. Add the height of the antenna to the height of the power line and multiply by a factor of 1.5

T1E05

31. 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

T3A11

32. Which region of the atmosphere can refract or bend HF and VHF radio waves?

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

T5D01

33. What formula is used to calculate current in a circuit?

• A. I = E * R
• B. I = E + R
• C. I = E / R
• D. I = E - R

T8D05

34. Which of the following is an application of APRS?

• A. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
• B. Providing voice over internet connection between repeaters
• C. Providing information on the number of stations signed into a repeater
• D. Showing automatically the number of packets transmitted via PACTOR during a specific time interval

T5C08

35. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E * I
• B. P = E / I
• C. P = E - I
• D. P = E + I