Practice Exam

T2A08

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

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

T7B07

2. 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 bypass capacitors on the microphone cable
• C. Installing a band-reject filter
• D. Installing an RF preamplifier

T4A07

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

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

T0A07

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

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

T5C13

5. What is the abbreviation for kilohertz?

• A. khz
• B. khZ
• C. kHz
• D. KHZ

T5A08

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

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

T3A09

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

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

T9B05

8. What happens as the frequency of a signal in coaxial cable is increased?

• A. The characteristic impedance increases
• B. The characteristic impedance decreases
• C. The loss decreases
• D. The loss increases

T2C06

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

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

T3B07

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

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

T3C02

11. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. HF accommodates wider bandwidth signals
• B. Long-distance ionospheric propagation is far more common on HF
• C. There is less atmospheric interference (static) on HF
• D. HF antennas are generally smaller

T7C08

12. Which instrument can be used to determine SWR?

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

T6C08

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

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

T8A01

14. Which of the following is a form of amplitude modulation?

• A. Packet radio
• B. Spread spectrum
• C. Phase shift keying (PSK)
• D. Single sideband

T6A02

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

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

T1B10

16. Where may SSB phone be used in amateur bands above 50 MHz?

• A. In at least some segment of all these bands
• B. On any band if the power is limited to 25 watts
• C. Only on repeaters
• D. Only in sub-bands allocated to General class or higher licensees

T6B05

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

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

T8B06

18. Which of the following are inputs to a satellite tracking program?

• A. The satellite transmitted power
• B. All these choices are correct
• C. The last observed time of zero Doppler shift
• D. The Keplerian elements

T7A09

19. 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

T8D07

20. Which of the following describes DMR?

• A. An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
• B. An automatic position tracking mode for FM mobiles communicating through repeaters
• C. A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
• D. A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel

T8C07

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

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

T1C09

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

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

T5D04

23. What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

• A. 270 ohms
• B. 93 ohms
• C. 3 ohms
• D. 30 ohms

T2B13

24. What is the purpose of a squelch function?

• A. Reduce interference from impulse noise
• B. Mute the receiver audio when a signal is not present
• C. Reduce a CW transmitter's key clicks
• D. Eliminate parasitic oscillations in an RF amplifier

T1E05

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

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

T6D10

26. What is the function of component 2 in figure T-1?

• A. Supply electrical energy
• B. Control the flow of current
• C. Give off light when current flows through it
• D. Convert electrical energy into radio waves

T7D02

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

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

T4B07

28. What does a DMR "code plug" contain?

• A. The codec for digitizing audio
• B. Access information for repeaters and talkgroups
• C. The DMR software version
• D. Your call sign in CW for automatic identification

T0B10

29. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Sharp bends must be avoided
• B. Use only non-insulated wire
• C. Common grounds must be avoided
• D. Wires must be carefully routed with precise right-angle bends

T1D08

30. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is made to obtain emergency information for a local broadcast station
• B. All these choices are correct
• C. When the communication is related to the sale of amateur equipment by the control operator's employer
• D. When the communication is incidental to classroom instruction at an educational institution

T1A01

31. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. Providing communications for international non-profit organizations
• B. Providing personal radio communications for as many citizens as possible
• C. Advancing skills in the technical and communication phases of the radio art
• D. All these choices are correct

T1F08

32. What is the definition of third party communications?

• A. Operation when the transmitting equipment is licensed to a person other than the control operator
• B. Amateur radio communications where three stations are in communications with one another
• C. A message from a control operator to another amateur station control operator on behalf of another person
• D. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

T0C04

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

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

T9A01

34. What is a beam antenna?

• A. An antenna that reverses the phase of received signals
• B. An omnidirectional antenna invented by Clarence Beam
• C. An antenna that concentrates signals in one direction
• D. An antenna built from aluminum I-beams

T5B03

35. Which is equal to one kilovolt?

• A. One hundred volts
• B. One one-thousandth of a volt
• C. One thousand volts
• D. One million volts