Practice Exam

T1E05

1. What is an amateur station's control point?

• A. The location of the station's transmitting apparatus
• B. The mailing address of the station licensee
• C. The location at which the control operator function is performed
• D. The location of the station's transmitting antenna

T6D07

2. Which of the following is commonly used as a visual indicator?

• A. LED
• B. FET
• C. Bipolar transistor
• D. Zener diode

T0B07

3. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. All these choices are correct
• B. This type of tower must never be grounded
• C. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• D. This type of tower must never be painted

T3C08

4. What causes tropospheric ducting?

• A. Discharges of lightning during electrical storms
• B. Updrafts from hurricanes and tornadoes
• C. Sunspots and solar flares
• D. Temperature inversions in the atmosphere

T7C04

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

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

T6C11

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

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

T5D14

7. In which type of circuit is voltage the same across all components?

• A. Series
• B. Parallel
• C. Resonant
• D. Branch

T4A07

8. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line out" to transceiver speaker connector
• B. Computer "line in" to transceiver speaker connector
• C. Computer "line out" to transceiver push-to-talk
• D. Computer "line in" to transceiver push-to-talk

T1C09

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

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

T8A03

10. Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

• A. DRM
• B. PM
• C. SSB
• D. FM

T6B01

11. Which is true about forward voltage drop in a diode?

• A. It has no impact on the voltage delivered to the load
• B. It indicates that the diode is defective
• C. It is proportional to peak inverse voltage
• D. It is lower in some diode types than in others

T1D01

12. With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

• A. Any country banned from such communications by the International Amateur Radio Union (IARU)
• B. Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
• C. Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
• D. Any country banned from making such communications by the American Radio Relay League (ARRL)

T1B04

13. Which amateur band includes 146.52 MHz?

• A. 2 meters
• B. 6 meters
• C. 20 meters
• D. 70 centimeters

T8C05

14. What is a grid locator?

• A. A letter-number designator assigned to a geographic location
• B. An instrument for neutralizing a final amplifier
• C. A letter-number designator assigned to an azimuth and elevation
• D. An instrument for radio direction finding

T7D02

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

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

T5C04

16. What is the unit of inductance?

• A. The farad
• B. The henry
• C. The coulomb
• D. The ohm

T2C11

17. What is meant by "check" in a radiogram header?

• A. The number of words or word equivalents in the text portion of the message
• B. The call sign of the originating station
• C. A box on the message form that indicates that the message was received and/or relayed
• D. A list of stations that have relayed the message

T2A04

18. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "break, break," then say the station's call sign
• B. Say "CQ" three times, then the other station's call sign
• C. Say the station's call sign, then identify with your call sign
• D. Wait for the station to call CQ, then answer

T3A09

19. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. Digital modes are unusable
• B. FM voice is unusable
• C. Either vertically or horizontally polarized antennas may be used for transmission or reception
• D. Both the transmitting and receiving antennas must be of the same polarization

T8D04

20. What type of transmission is indicated by the term "NTSC?"

• A. A frame compression scheme for TV signals
• B. An analog fast-scan color TV signal
• C. A Normal Transmission mode in Static Circuit
• D. A special mode for satellite uplink

T5A07

21. Why are metals generally good conductors of electricity?

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

T4B09

22. How is a specific group of stations selected on a digital voice transceiver?

• A. By entering the group's identification code
• B. By activating automatic identification
• C. By enabling the group's CTCSS tone
• D. By retrieving the frequencies from transceiver memory

T1F09

23. 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. Beacon station
• D. Repeater station

T9B07

24. Which of the following is true of PL-259 type coax connectors?

• A. They are commonly used at HF and VHF frequencies
• B. They are preferred for microwave operation
• C. They are watertight
• D. They are a bayonet-type connector

T7B10

25. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. All these choices are correct
• B. Your transmitter is slightly off frequency
• C. You are in a bad location
• D. Your batteries are running low

T6A09

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

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

T0C04

27. What factors affect the RF exposure of people near an amateur station antenna?

• A. Radiation pattern of the antenna
• B. Frequency and power level of the RF field
• C. Distance from the antenna to a person
• D. All these choices are correct

T1A06

28. What is the FCC Part 97 definition of a beacon?

• A. An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
• B. A bulletin sent by the FCC to announce a national emergency
• C. A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
• D. A government transmitter marking the amateur radio band edges

T3B05

29. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency are unrelated
• B. Wavelength gets longer as frequency increases
• C. Wavelength gets shorter as frequency increases
• D. Wavelength and frequency increase as path length increases

T9A12

30. What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

• A. It has more gain than a 1/4-wavelength antenna
• B. It radiates at a very high angle
• C. It eliminates distortion caused by reflected signals
• D. It has 10 times the power gain of a 1/4 wavelength whip

T7A11

31. Where is an RF preamplifier installed?

• A. Between the transmitter and the antenna tuner
• B. Between the antenna and receiver
• C. At the output of the transmitter power amplifier
• D. At the output of the receiver audio amplifier

T8B07

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

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

T2B05

33. What would cause your FM transmission audio to be distorted on voice peaks?

• A. Your transmit power is too high
• B. You are talking too loudly
• C. Your repeater offset is inverted
• D. You need to talk louder

T0A05

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

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

T5B09

35. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 10 dB
• B. 5 dB
• C. 2 dB
• D. 3 dB