Practice Exam

T1F04

1. What language may you use for identification when operating in a phone sub-band?

• A. Any language recognized by the United Nations
• B. Any language recognized by the ITU
• C. English
• D. English, French, or Spanish

T1B12

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

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

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

T0C06

4. 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 computer modeling
• C. All these choices are correct
• D. By calculation based on FCC OET Bulletin 65

T3B07

5. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. The approximate wavelength in meters
• B. All these choices are correct
• C. Traditional letter/number designators
• D. Channel numbers

T2C08

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

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

T3C04

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

T1E02

8. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. A General class or higher licensee with a satellite operator certification
• B. Only an Amateur Extra Class operator
• C. Only an Amateur Extra Class operator who is also an AMSAT member
• D. Any amateur allowed to transmit on the satellite uplink frequency

T6A09

9. What electrical component is used to protect other circuit components from current overloads?

• A. All these choices are correct
• B. Varactor
• C. Fuse
• D. Thyratron

T2B04

10. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. All these choices are correct
• B. You are using the wrong DCS code
• C. Improper transceiver offset
• D. You are using the wrong CTCSS tone

T5A07

11. Why are metals generally good conductors of electricity?

• A. All these choices are correct
• B. They have many free protons
• C. They have many free electrons
• D. They have relatively high density

T6C05

12. What is component 4 in figure T-1?

• A. Transistor
• B. Ground symbol
• C. Battery
• D. Resistor

T6D03

13. Which of the following is a reason to use shielded wire?

• A. To couple the wire to other signals
• B. To decrease the resistance of DC power connections
• C. To increase the current carrying capability of the wire
• D. To prevent coupling of unwanted signals to or from the wire

T5B06

14. Which is equal to 3000 milliamperes?

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

T8C08

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

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

T1A02

16. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. Homeland Security
• B. The FCC
• C. FEMA
• D. All these choices are correct

T3A08

17. What is a likely cause of irregular fading of signals propagated by the ionosphere?

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

T6B03

18. Which of these components can be used as an electronic switch?

• A. Varistor
• B. Transistor
• C. Potentiometer
• D. Thermistor

T8D11

19. What is an ARQ transmission system?

• A. A system used to encrypt command signals to an amateur radio satellite
• B. A method of compressing data using autonomous reiterative Q codes prior to final encoding
• C. An error correction method in which the receiving station detects errors and sends a request for retransmission
• D. A special transmission format limited to video signals

T5C13

20. What is the abbreviation for kilohertz?

• A. khz
• B. khZ
• C. KHZ
• D. kHz

T1D02

21. Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

• A. International Morse Code Practice
• B. In all circumstances
• C. Telecommand or transmissions of telemetry
• D. Broadcasting

T7A04

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

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

T7C04

23. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. Zero
• B. Full Scale
• C. 1:1
• D. 50:50

T9A08

24. What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

• A. 50
• B. 12
• C. 19
• D. 112

T8B09

25. What causes spin fading of satellite signals?

• A. Circular polarized noise interference radiated from the sun
• B. Interfering signals within the satellite uplink band
• C. Rotation of the satellite and its antennas
• D. Doppler shift of the received signal

T1C09

26. What is the grace period for renewal if an amateur license expires?

• A. Ten years
• B. Five years
• C. Three years
• D. Two years

T2A05

27. How should you respond to a station calling CQ?

• A. Transmit a signal report followed by your call sign
• B. Transmit the other station's call sign followed by your call sign
• C. Transmit your call sign followed by the other station's call sign
• D. Transmit "CQ" followed by the other station's call sign

T0B02

28. What is required when climbing an antenna tower?

• A. Have sufficient training on safe tower climbing techniques
• B. All these choices are correct
• C. Always wear an approved climbing harness
• D. Use appropriate tie-off to the tower at all times

T5D12

29. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 0.2 volts
• B. 12 volts
• C. 20 volts
• D. 8 volts

T0A04

30. What is the purpose of a fuse in an electrical circuit?

• A. To prevent power supply ripple from damaging a component
• B. All these choices are correct
• C. To limit current to prevent shocks
• D. To remove power in case of overload

T4A01

31. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 13.8 volts at 12 amperes
• B. 24.0 volts at 4 amperes
• C. 24.0 volts at 12 amperes
• D. 13.8 volts at 4 amperes

T8A02

32. What type of modulation is commonly used for VHF packet radio transmissions?

• A. AM
• B. SSB
• C. PSK
• D. FM or PM

T7D02

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

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

T9B09

34. What can cause erratic changes in SWR?

• A. Loose connection in the antenna or feed line
• B. Overload from a strong local station
• C. Local thunderstorm
• D. Over-modulation

T7B03

35. Which of the following can cause radio frequency interference?

• A. All these choices are correct
• B. Fundamental overload
• C. Harmonics
• D. Spurious emissions