Practice Exam

T3B02

1. What property of a radio wave defines its polarization?

• A. The orientation of the electric field
• B. The ratio of the velocity to the wavelength
• C. The ratio of the energy in the magnetic field to the energy in the electric field
• D. The orientation of the magnetic field

T2C08

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

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

T1B04

3. Which amateur band includes 146.52 MHz?

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

T0A07

4. Where should a lightning arrester be installed in a coaxial feed line?

• A. On a grounded panel near where feed lines enter the building
• B. At the ac power service panel
• C. At the output connector of a transceiver
• D. At the antenna feed point

T6C09

5. What is component 4 in figure T-2?

• A. Double-pole switch
• B. Variable inductor
• C. Transformer
• D. Potentiometer

T6D04

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

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

T3C01

7. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. FCC regulations prohibit them from going more than 50 miles
• B. They are too weak to go very far
• C. UHF signals are usually not propagated by the ionosphere
• D. UHF signals are absorbed by the ionospheric D region

T7D03

8. When configured to measure current, how is a multimeter connected to a component?

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

T1C11

9. If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

• A. No, you must wait until the license has been renewed
• B. Yes, as soon as you apply for renewal
• C. Yes, for up to two years
• D. Yes, for up to one year

T8B12

10. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. Check your signal strength report in the telemetry data
• B. Your signal strength on the downlink should be about the same as the beacon
• C. Listen for distortion on your downlink signal
• D. All these choices are correct

T5D02

11. What formula is used to calculate voltage in a circuit?

• A. E= I + R
• B. E= I / R
• C. E = I - R
• D. E= I x R

T7A04

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

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

T6A09

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

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

T5C09

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

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

T5B10

15. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -1 dB
• B. -9 dB
• C. -6 dB
• D. -3 dB

T0C08

16. Which of the following actions can reduce exposure to RF radiation?

• A. Relocate the transmitter
• B. Relocate antennas
• C. Increase the duty cycle
• D. All these choices are correct

T5A05

17. What is the electrical term for the force that causes electron flow?

• A. Capacitance
• B. Voltage
• C. Inductance
• D. Ampere-hours

T4B08

18. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Permits monitoring several modes at once by selecting a separate filter for each mode
• B. Permits noise or interference reduction by selecting a bandwidth matching the mode
• C. Increases the number of frequencies that can be stored in memory
• D. Increases the amount of offset between receive and transmit frequencies

T3A03

19. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

• A. Right-hand circular
• B. Horizontal
• C. Vertical
• D. Left-hand circular

T2A12

20. What should you do before calling CQ?

• A. Make sure you are authorized to use that frequency
• B. Listen first to be sure that no one else is using the frequency
• C. Ask if the frequency is in use
• D. All these choices are correct

T8C05

21. What is a grid locator?

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

T9A09

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

• A. 50
• B. 112
• C. 6
• D. 236

T7C08

23. Which instrument can be used to determine SWR?

• A. Ohmmeter
• B. Voltmeter
• C. Iambic pentameter
• D. Directional wattmeter

T1A06

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

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

T1D02

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

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

T6B11

26. What is the term that describes a device's ability to amplify a signal?

• A. Forward voltage drop
• B. On resistance
• C. Gain
• D. Forward resistance

T7B04

27. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Preamplifier
• B. Band-pass filter
• C. Low-pass filter
• D. Ferrite choke

T8A12

28. Which of the following is a disadvantage of FM compared with single sideband?

• A. Voice quality is poorer
• B. FM signals are harder to tune
• C. All these choices are correct
• D. Only one signal can be received at a time

T0B11

29. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. UL recommended practices
• B. Local electrical codes
• C. FAA tower lighting regulations
• D. FCC Part 97 rules

T9B03

30. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is less expensive than any other type of feed line
• B. It has less loss than any other type of feed line
• C. It can handle more power than any other type of feed line
• D. It is easy to use and requires few special installation considerations

T2B11

31. Which Q signal indicates that you are changing frequency?

• A. QSY
• B. QRZ
• C. QSL
• D. QRU

T1F10

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

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

T1E02

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

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

T8D06

34. What does the abbreviation "PSK" mean?

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

T4A05

35. Where should an RF power meter be installed?

• A. In the power supply cable, as close as possible to the radio
• B. At the power supply output
• C. In parallel with the push-to-talk line and the antenna
• D. In the feed line, between the transmitter and antenna