Practice Exam

T9A09

1. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 112
• B. 50
• C. 236
• D. 6

T2C06

2. What is the Amateur Radio Emergency Service (ARES)?

• A. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• B. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• C. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
• D. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

T1E08

3. 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 a station over the internet

T1F09

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

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

T0B06

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

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

T1C07

6. Which of the following can result in revocation of the station license or suspension of the operator license?

• A. Failure to provide and maintain a correct email address with the FCC
• B. Failure to have a copy of your license available at your station
• 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

T3C06

7. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. Tropospheric ducting
• B. Faraday rotation
• C. D region refraction
• D. F2 region refraction

T6C04

8. What is component 3 in figure T-1?

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

T3B01

9. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They revolve in opposite directions
• B. They travel at different speeds
• C. They are in parallel
• D. They are at right angles

T6A11

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

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

T1A05

11. What proves that the FCC has issued an operator/primary license grant?

• A. The license appears in the FCC ULS database
• B. All these choices are correct
• C. An email notification from the NCVEC granting the license
• D. A printed copy of the certificate of successful completion of examination

T1B11

12. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 100 watts
• B. 50 watts
• C. 10 watts
• D. 200 watts

T6B10

13. Which of the following can provide power gain?

• A. Transistor
• B. Resistor
• C. Reactor
• D. Transformer

T5C05

14. What is the unit of impedance?

• A. The coulomb
• B. The volt
• C. The ampere
• D. The ohm

T9B09

15. What can cause erratic changes in SWR?

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

T7B07

16. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Using double-shielded coaxial cable
• B. Installing an RF preamplifier
• C. Installing a band-reject filter
• D. Installing bypass capacitors on the microphone cable

T4A09

17. How can you determine the length of time that equipment can be powered from a battery?

• A. Multiply the watts per hour consumed by the equipment by the battery power rating
• B. Multiply the square of the current rating of the battery by the input resistance of the equipment
• C. Divide the watt-hour rating of the battery by the peak power consumption of the equipment
• D. Divide the battery ampere-hour rating by the average current draw of the equipment

T8B07

18. What is Doppler shift in reference to satellite communications?

• A. A change in the satellite orbit
• B. A mode where the satellite receives signals on one band and transmits on another
• C. An observed change in signal frequency caused by relative motion between the satellite and Earth station
• D. A special digital communications mode for some satellites

T7C01

19. What is the primary purpose of a dummy load?

• A. To improve the signal-to-noise ratio of a receiver
• B. To prevent transmitting signals over the air when making tests
• C. To prevent over-modulation of a transmitter
• D. To improve the efficiency of an antenna

T2B02

20. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. DTMF
• B. Tone burst
• C. Carrier squelch
• D. CTCSS

T6D04

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

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

T8A07

22. What is a characteristic of single sideband (SSB) compared to FM?

• A. SSB signals are less susceptible to interference
• B. SSB signals are easier to tune in correctly
• C. SSB signals have narrower bandwidth
• D. All these choices are correct

T1D09

23. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. Never
• B. When such communications are directly related to the immediate safety of human life or protection of property
• C. When broadcasting communications to or from the space shuttle
• D. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

T0C01

24. What type of radiation are radio signals?

• A. Alpha radiation
• B. Non-ionizing radiation
• C. Gamma radiation
• D. Ionizing radiation

T3A01

25. Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

• A. The signal path encounters different concentrations of water vapor
• B. Multipath propagation cancels or reinforces signals
• C. VHF ionospheric propagation is very sensitive to path length
• D. All these choices are correct

T7D10

26. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Decreasing resistance with time
• B. Steady full-scale reading
• C. Increasing resistance with time
• D. Alternating between open and short circuit

T4B10

27. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 1000 Hz
• B. 5000 Hz
• C. 500 Hz
• D. 2400 Hz

T5B07

28. Which is equal to 3.525 MHz?

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

T5A07

29. Why are metals generally good conductors of electricity?

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

T7A09

30. What is the function of the SSB/CW-FM switch on a VHF power amplifier?

• A. Change the frequency range of the amplifier to operate in the proper segment of the band
• B. Reduce the received signal noise
• C. Change the mode of the transmitted signal
• D. Set the amplifier for proper operation in the selected mode

T8C07

31. What is Voice Over Internet Protocol (VoIP)?

• A. A technique employed to "spot" DX stations via the internet
• B. A set of rules specifying how to identify your station when linked over the internet to another station
• C. A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
• D. A method of delivering voice communications over the internet using digital techniques

T8D06

32. What does the abbreviation "PSK" mean?

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

T5D07

33. 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. 0.667 amperes
• C. 200 amperes
• D. 9600 amperes

T2A10

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

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

T0A09

35. 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