Practice Exam

T8A08

1. What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

• A. 1 kHz
• B. 3 kHz
• C. 15 kHz
• D. 6 kHz

T6B09

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

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

T6D08

3. Which of the following is combined with an inductor to make a resonant circuit?

• A. Capacitor
• B. Resistor
• C. Zener diode
• D. Potentiometer

T4A03

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

• A. To avoid RF interference
• B. To minimize voltage drop when transmitting
• C. To provide a good counterpoise for the antenna
• D. All these choices are correct

T0C06

5. Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

• A. By measurement of field strength using calibrated equipment
• B. By calculation based on FCC OET Bulletin 65
• C. All these choices are correct
• D. By calculation based on computer modeling

T1D06

6. 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. The FCC maintains a list of words that are not permitted to be used on amateur frequencies
• D. Any such language is prohibited

T9A05

7. Which of the following increases the resonant frequency of a dipole antenna?

• A. Shortening it
• B. Lengthening it
• C. Inserting coils in series with radiating wires
• D. Adding capacitive loading to the ends of the radiating wires

T1C06

8. From which of the following locations may an FCC-licensed amateur station transmit?

• A. From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
• B. From any vessel or craft located in international waters and documented or registered in the United States
• C. From within any country that belongs to the International Telecommunication Union
• D. From within any country that is a member of the United Nations

T3A05

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

T8B11

10. Who may receive telemetry from a space station?

• A. A licensed radio amateur who has been certified by the protocol developer
• B. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• C. A licensed radio amateur who has registered for an access code from AMSAT
• D. Anyone

T7B09

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

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

T4B06

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

T3B08

13. What frequency range is referred to as VHF?

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

T8C08

14. 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 for measuring signal strength of an amateur transmitter via the internet
• C. A system for providing access to websites via amateur radio
• D. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

T2A10

15. What is a band plan, beyond the privileges established by the FCC?

• A. A list of available net frequencies
• B. A voluntary guideline for using different modes or activities within an amateur band
• C. A plan devised by a club to indicate frequency band usage
• D. A list of operating schedules

T1A01

16. 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 personal radio communications for as many citizens as possible
• C. Providing communications for international non-profit organizations
• D. All these choices are correct

T1E08

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

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

T7C10

18. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet resistant jackets prevent harmonic radiation
• B. Ultraviolet and RF signals can mix, causing interference
• C. Ultraviolet light can increase losses in the cable's jacket
• D. Ultraviolet light can damage the jacket and allow water to enter the cable

T1B12

19. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 100 watts
• B. 500 watts
• C. 1500 watts
• D. 50 watts

T6A05

20. What type of electrical component consists of conductive surfaces separated by an insulator?

• A. Capacitor
• B. Potentiometer
• C. Oscillator
• D. Resistor

T9B06

21. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. DB-25
• B. Type N
• C. UHF (PL-259/SO-239)
• D. RS-213

T5B11

22. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 28 dB
• B. 10 dB
• C. 18 dB
• D. 12 dB

T5C06

23. What does the abbreviation "RF" mean?

• A. Radio frequency signals of all types
• B. The resonant frequency of a tuned circuit
• C. Reflective force in antenna transmission lines
• D. The real frequency transmitted as opposed to the apparent frequency

T5D11

24. What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

• A. 11 volts
• B. 10 volts
• C. 9 volts
• D. 1 volt

T0A05

25. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. The larger fuse would be likely to blow because it is rated for higher current
• B. The power supply ripple would greatly increase
• C. Excessive current could cause a fire
• D. All these choices are correct

T2C10

26. What information is contained in the preamble of a formal traffic message?

• A. The telephone number of the addressee
• B. The address of the intended recipient
• C. Information needed to track the message
• D. The email address of the originating station

T8D06

27. What does the abbreviation "PSK" mean?

• A. Pulse Shift Keying
• B. Phase Shift Keying
• C. Packet Short Keying
• D. Phased Slide Keying

T1F06

28. Which of the following self-assigned indicators are acceptable when using a phone transmission?

• A. All these choices are correct
• B. KL7CC stroke W3
• C. KL7CC slant W3
• D. KL7CC slash W3

T3C05

29. 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

T7A04

30. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Sensitivity
• B. Discrimination ratio
• C. Selectivity
• D. Harmonic distortion

T6C08

31. What is component 9 in figure T-2?

• A. Variable inductor
• B. Variable transformer
• C. Variable resistor
• D. Variable capacitor

T2B07

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

• A. Program your radio with the group's ID or code
• B. Register your radio with the local FCC office
• C. Sign your call after the courtesy tone
• D. Join the repeater owner's club

T7D11

33. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the circuit is grounded
• B. Ensure that the applied voltages are correct
• C. Ensure that the circuit is not powered
• D. Ensure that the circuit is operating at the correct frequency

T0B01

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

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

T5A11

35. What type of current flow is opposed by resistance?

• A. Direct current
• B. RF current
• C. All these choices are correct
• D. Alternating current