Practice Exam

T6B08

1. What does the abbreviation FET stand for?

• A. Field Effect Transistor
• B. Frequency Emission Transmitter
• C. Fast Electron Transistor
• D. Free Electron Transmitter

T1E08

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

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

T1A10

3. Besides an FCC-issued amateur operator license, what is required to be the control operator of a Radio Amateur Civil Emergency Service (RACES) Station?

• A. Membership in the Amateur Radio Emergency Service (ARES)
• B. A written recommendation by the local ARRL Emergency Coordinator
• C. Nothing
• D. Certification of current enrollment by a civil defense organization

T9A09

4. What is an advantage of a 5/8-wavelength whip antenna for VHF or UHF mobile service compared to a 1/4-wave antenna?

• A. It has lower SWR
• B. It radiates at a higher angle
• C. It has more gain
• D. It has lower impedance

T4B08

5. What is the advantage of having a choice of receiver filter bandwidths in a multimode transceiver?

• A. Increases the number of frequencies that can be stored in memory
• B. Increases the amount of offset between receive and transmit frequencies
• C. Permits monitoring several modes simultaneously by selecting a separate filter for each mode
• D. Permits noise or interference reduction by selecting a bandwidth matching the mode

T7C06

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

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

T3B10

7. What frequency range is referred to as HF?

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

T6D01

8. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Amplifier
• B. Rectifier
• C. Transformer
• D. Reflector

T8D02

9. What is FT8?

• A. A digital mode capable of low signal-to-noise operation
• B. An eight-channel multiplex mode for FM repeaters
• C. A wideband FM voice mode
• D. A digital slow-scan TV mode with forward error correction and automatic color compensation

T5D07

10. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 1.5 amperes
• B. 200 amperes
• C. 0.667 amperes
• D. 9600 amperes

T1D06

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

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

T4A03

12. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To provide a close match to the power supply output impedance
• B. To minimize radiative losses in the power cable
• C. To avoid RF interference
• D. To minimize voltage drop when transmitting

T1B09

13. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. All these choices are correct
• B. To allow for calibration error in the transmitter frequency display
• C. To allow for transmitter frequency drift
• D. So that modulation sidebands do not extend beyond the band edge

T2B10

14. Which Q signal indicates that you are receiving interference from other stations?

• A. QRM
• B. QSB
• C. QRN
• D. QTH

T5C05

15. What is the unit of impedance?

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

T7B02

16. What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

• A. The microphone gain of the transmitter is turned up too high
• B. The deviation of an FM transmitter is set too low
• C. The audio amplifier of the transmitter is overloaded
• D. The receiver is unable to reject strong signals outside the AM or FM band

T8A06

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

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

T3C01

18. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. They are too weak to go very far
• B. FCC regulations prohibit them from going more than 50 miles
• C. UHF signals are usually not propagated by the ionosphere
• D. UHF signals are absorbed by the ionospheric D region

T6C01

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

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

T8B01

20. What telemetry information is typically transmitted by satellite beacons?

• A. The signal strength of received signals
• B. Health and status of the satellite
• C. All these choices are correct
• D. Time of day accurate to plus or minus 1/10 second

T5A06

21. What is the unit of frequency?

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

T6A11

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

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

T9B03

23. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is easy to use and requires few special installation considerations
• B. It is less expensive than any other type of feed line
• C. It can handle more power than any other type of feed line
• D. It has less loss than any other type of feed line

T7D04

24. Which instrument is used to measure electric current?

• A. A voltmeter
• B. An ammeter
• C. An ohmmeter
• D. An electrometer

T2A07

25. What does the term "repeater offset" mean?

• A. The fee charged by the repeater owner or club to provide for maintenance
• B. The approximately half-second delay to allow for the "squelch tail" to be removed
• C. The repeater has a time delay to prevent interference
• D. The difference between a repeater's transmit and receive frequencies

T1F03

26. When are you required to transmit your assigned call sign?

• A. At least every 15 minutes during and at the end of a communication
• B. At the beginning of each contact, and every 10 minutes thereafter
• C. At least once during each transmission
• D. At least every 10 minutes during and at the end of a communication

T2C09

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

T0B01

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

• A. All these choices are correct
• B. Make sure all ground wire bends are right angles
• C. Ensure that connections are short and direct
• D. Put a drip loop in the ground connection to prevent water damage to the ground system

T8C08

29. What is the Internet Radio Linking Project (IRLP)?

• A. A system for informing amateurs in real time of the frequency of active DX stations
• B. A technique to connect amateur radio systems, such as repeaters, via the internet
• C. A system for providing access to websites via amateur radio
• D. A technique for measuring signal strength of an amateur transmitter via the internet

T5B06

30. Which is equal to 3000 milliamperes?

• A. 0.3 amperes
• B. 3,000,000 amperes
• C. 3 amperes
• D. 0.003 amperes

T3A12

31. What effect does fog or rain have on 10-meter and 6-meter band signals?

• A. Increased range
• B. Deflection
• C. Little effect
• D. Absorption

T7A07

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

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

T1C10

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

T0A08

34. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot and neutral conductors
• B. In parallel with the hot and neutral conductors
• C. In parallel with the hot conductor only
• D. In series with the hot conductor only

T0C13

35. 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. The local zoning board
• D. Anyone who is near an antenna