Practice Exam

T7B10

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

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

T3C06

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

T5A08

3. Which of the following is a good electrical insulator?

• A. Aluminum
• B. Copper
• C. Glass
• D. Mercury

T1F10

4. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. Both the originating station and the repeater owner
• B. The control operator of the originating station
• C. The control operator of the repeater
• D. The owner of the repeater

T9A10

5. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. In the direction of the feed line
• B. Broadside to the antenna
• C. Off the ends of the antenna
• D. Equally in all directions

T5B08

6. Which is equal to 1,000,000 picofarads?

• A. 1 microfarad
• B. 0.001 microfarads
• C. 1000 microfarads
• D. 1,000,000,000 microfarads

T0C09

7. How can you make sure your station stays in compliance with RF safety regulations?

• A. By informing the FCC of any changes made in your station
• B. All these choices are correct
• C. By making sure your antennas have low SWR
• D. By re-evaluating the station whenever an item in the transmitter or antenna system is changed

T2B09

8. Why are simplex channels designated in the VHF/UHF band plans?

• A. For contest operation
• B. So stations within range of each other can communicate without tying up a repeater
• C. So stations with simple transmitters can access the repeater without automated offset
• D. For working DX only

T6D09

9. What is the name of a device that combines several semiconductors and other components into one package?

• A. Transducer
• B. Multi-pole relay
• C. Transformer
• D. Integrated circuit

T0B07

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

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

T5D12

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

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

T7D02

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

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

T1B04

13. Which amateur band includes 146.52 MHz?

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

T8D13

14. What is FT8?

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

T8C08

15. 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 technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• D. A system for providing access to websites via amateur radio

T1E03

16. Who must designate the station control operator?

• A. The FCC
• B. Any licensed operator
• C. The station licensee
• D. The frequency coordinator

T4A06

17. What signals are used in a computer-radio interface for digital mode operation?

• A. Receive and transmit mode, status, and location
• B. Antenna and RF power
• C. NMEA GPS location and DC power
• D. Receive audio, transmit audio, and transmitter keying

T1A05

18. 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. A printed copy of the certificate of successful completion of examination
• D. An email notification from the NCVEC granting the license

T8B01

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

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

T9B10

20. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. RG-58 cable has two shields
• B. RG-213 cable has less loss at a given frequency
• C. RG-58 cable can handle higher power levels
• D. There is no significant difference between the two types

T8A09

21. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. Between 50 and 125 kHz
• B. About 150 kHz
• C. Between 10 and 15 kHz
• D. Less than 500 Hz

T2A08

22. What is the meaning of the procedural signal "CQ"?

• A. Calling any station
• B. Only the called station should transmit
• C. Call on the quarter hour
• D. Test transmission, no reply expected

T6C10

23. What is component 3 in figure T-3?

• A. Connector
• B. Variable inductor
• C. Variable capacitor
• D. Meter

T7A05

24. What is the name of a circuit that generates a signal at a specific frequency?

• A. Phase modulator
• B. Oscillator
• C. Reactance modulator
• D. Low-pass filter

T5C09

25. How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

• A. 138 watts
• B. 0.7 watts
• C. 23.8 watts
• D. 3.8 watts

T7C06

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

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

T3B07

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

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

T6A03

28. What electrical parameter is controlled by a potentiometer?

• A. Field strength
• B. Capacitance
• C. Resistance
• D. Inductance

T3A01

29. 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. VHF ionospheric propagation is very sensitive to path length
• C. All these choices are correct
• D. Multipath propagation cancels or reinforces signals

T4B02

30. Which of the following can be used to enter a transceiver's operating frequency?

• A. The keypad or VFO knob
• B. The CTCSS or DTMF encoder
• C. The Automatic Frequency Control
• D. All these choices are correct

T6B08

31. What does the abbreviation FET stand for?

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

T2C05

32. What does the term "traffic" refer to in net operation?

• A. The number of stations checking in and out of a net
• B. Requests to activate the net by a served agency
• C. Messages exchanged by net stations
• D. Operation by mobile or portable stations

T1D09

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

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

T0A04

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

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

T1C08

35. What is the normal term for an FCC-issued amateur radio license?

• A. Life
• B. Five years
• C. Eight years
• D. Ten years