Practice Exam

T5D11

1. What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

• A. 9 volts
• B. 11 volts
• C. 10 volts
• D. 1 volt

T3B09

2. What frequency range is referred to as UHF?

• A. 300 to 3000 kHz
• B. 30 to 300 kHz
• C. 300 to 3000 MHz
• D. 30 to 300 MHz

T0A10

3. What hazard is caused by charging or discharging a battery too quickly?

• A. Overheating or out-gassing
• B. Half-wave rectification
• C. Inverse memory effect
• D. Excess output ripple

T1D09

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

• A. When such communications are directly related to the immediate safety of human life or protection of property
• B. Never
• 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

T3A12

5. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. Range increase
• B. Absorption
• C. There is little effect
• D. Deflection

T1A07

6. What is the FCC Part 97 definition of a space station?

• A. An amateur station located more than 50 km above Earth's surface
• B. An amateur station using amateur radio satellites for relay of signals
• C. Any satellite orbiting Earth
• D. A manned satellite orbiting Earth

T8B07

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

• A. A mode where the satellite receives signals on one band and transmits on another
• 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 change in the satellite orbit

T5C12

8. What is impedance?

• A. The power handling capability of a component
• B. The Q or Quality Factor of a component
• C. The inverse of resistance
• D. The opposition to AC current flow

T3C04

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

T4A09

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

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

T8A06

11. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Inverted sideband
• B. Upper sideband
• C. Suppressed sideband
• D. Lower sideband

T1E06

12. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. When designated as the control operator by an Amateur Extra Class licensee
• B. At no time
• C. When using a club station whose trustee holds an Amateur Extra Class license
• D. As part of a multi-operator contest team

T2B09

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

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

T5B10

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

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

T9B02

15. What is the most common impedance of coaxial cables used in amateur radio?

• A. 600 ohms
• B. 12 ohms
• C. 8 ohms
• D. 50 ohms

T6B05

16. What type of transistor has a gate, drain, and source?

• A. Bipolar junction
• B. Tesla-effect
• C. Field-effect
• D. Varistor

T4B01

17. What is the effect of excessive microphone gain on SSB transmissions?

• A. Frequency instability
• B. All these choices are correct
• C. Increased SWR
• D. Distorted transmitted audio

T7D03

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

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

T6C08

19. What is component 9 in figure T-2?

• A. Variable resistor
• B. Variable capacitor
• C. Variable inductor
• D. Variable transformer

T6D01

20. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Reflector
• B. Transformer
• C. Amplifier
• D. Rectifier

T0C13

21. Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

• A. The station licensee
• B. The local zoning board
• C. The FCC
• D. Anyone who is near an antenna

T2A10

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

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

T1B02

23. Which amateurs may contact the International Space Station (ISS) on VHF bands?

• A. Any amateur holding a General class or higher license
• B. Any amateur holding a General class or higher license who has applied for and received approval from NASA
• C. Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
• D. Any amateur holding a Technician class or higher license

T7B05

24. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Switch the transmitter from FM to SSB
• B. Switch the transmitter to a narrow-band mode
• C. Block the interfering signal with a filter on the amateur transmitter
• D. Block the amateur signal with a filter at the antenna input of the affected receiver

T7A05

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

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

T8C07

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

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

T1F07

27. Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

• A. The person must be a U.S. citizen
• B. The licensed control operator must do the station identification
• C. The foreign station must be in a country with which the U.S. has a third party agreement
• D. All these choices are correct

T1C04

28. What may happen if the FCC is unable to reach you by email?

• A. Nothing; there is no such requirement
• B. Fine and suspension of operator license
• C. Revocation of access to the license record in the FCC system
• D. Revocation of the station license or suspension of the operator license

T2C02

29. Which of the following are typical duties of a Net Control Station?

• A. All these choices are correct
• B. Choose the regular net meeting time and frequency
• C. Ensure that all stations checking into the net are properly licensed for operation on the net frequency
• D. Call the net to order and direct communications between stations checking in

T6A02

30. What type of component is often used as an adjustable volume control?

• A. Power resistor
• B. Potentiometer
• C. Transformer
• D. Fixed resistor

T7C04

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

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

T8D12

32. Which of the following best describes an amateur radio mesh network?

• A. A satellite communications network using modified commercial satellite TV hardware
• B. A wide-bandwidth digital voice mode employing DMR protocols
• C. An internet linking protocol used to network repeaters
• D. An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

T0B05

33. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Prevent loosening of the turnbuckle from vibration
• B. Secure the guy line if the turnbuckle breaks
• C. Provide an ability to measure for proper tensioning
• D. Provide a ground path for lightning strikes

T9A12

34. 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 has 10 times the power gain of a 1/4 wavelength whip
• D. It eliminates distortion caused by reflected signals

T5A08

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

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