Practice Exam

T5D06

1. What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

• A. 3 ohms
• B. 48 ohms
• C. 8 ohms
• D. 16 ohms

T4A02

2. Which of the following should be considered when selecting an accessory SWR meter?

• A. All these choices are correct
• B. The distance that the meter will be located from the antenna
• C. The frequency and power level at which the measurements will be made
• D. The types of modulation being used at the station

T2B11

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

• A. QSY
• B. QSL
• C. QRU
• D. QRZ

T8A08

4. What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

• A. 6 kHz
• B. 3 kHz
• C. 1 kHz
• D. 15 kHz

T1E06

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

T7A09

6. What is the function of the SSB/CW-FM switch on a VHF power amplifier?

• A. Set the amplifier for proper operation in the selected mode
• B. Change the frequency range of the amplifier to operate in the proper segment of the band
• C. Reduce the received signal noise
• D. Change the mode of the transmitted signal

T8D06

7. What does the abbreviation "PSK" mean?

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

T6D04

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

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

T6A10

9. Which of the following battery chemistries is rechargeable?

• A. Lead-acid
• B. All these choices are correct
• C. Nickel-metal hydride
• D. Lithium-ion

T6C02

10. What is component 1 in figure T-1?

• A. Battery
• B. Transistor
• C. Resistor
• D. Connector

T7C09

11. Which of the following causes failure of coaxial cables?

• A. Moisture contamination
• B. Operation at 100% duty cycle for an extended period
• C. Rapid fluctuation in transmitter output power
• D. Solder flux contamination

T3B08

12. What frequency range is referred to as VHF?

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

T7D04

13. Which instrument is used to measure electric current?

• A. An ammeter
• B. An ohmmeter
• C. A voltmeter
• D. An electrometer

T1B09

14. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. So that modulation sidebands do not extend beyond the band edge
• B. All these choices are correct
• C. To allow for transmitter frequency drift
• D. To allow for calibration error in the transmitter frequency display

T9B07

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

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

T8B09

16. What causes spin fading of satellite signals?

• A. Doppler shift of the received signal
• B. Rotation of the satellite and its antennas
• C. Interfering signals within the satellite uplink band
• D. Circular polarized noise interference radiated from the sun

T5C08

17. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E + I
• B. P = E * I
• C. P = E / I
• D. P = E - I

T2C07

18. Which of the following is standard practice when you participate in a net?

• A. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• B. All these choices are correct
• C. Unless you are reporting an emergency, transmit only when directed by the net control station
• D. Record the time of each of your transmissions

T3C11

19. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. Radio signals move somewhat faster than the speed of light
• B. Radio waves are not blocked by dust particles
• C. The atmosphere refracts radio waves slightly
• D. Radio waves are blocked by dust particles

T9A12

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

T1A01

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

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

T1D09

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

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

T1C11

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

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

T1F08

24. What is the definition of third party communications?

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

T0A08

25. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot and neutral conductors
• B. In parallel with the hot and neutral conductors
• C. In series with the hot conductor only
• D. In parallel with the hot conductor only

T5A11

26. What type of current flow is opposed by resistance?

• A. Direct current
• B. Alternating current
• C. RF current
• D. All these choices are correct

T5B11

27. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 28 dB
• B. 10 dB
• C. 18 dB
• D. 12 dB

T4B07

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

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

T0B02

29. What is required when climbing an antenna tower?

• A. All these choices are correct
• B. Have sufficient training on safe tower climbing techniques
• C. Use appropriate tie-off to the tower at all times
• D. Always wear an approved climbing harness

T0C10

30. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

• A. It takes into account the antenna feed line loss
• B. It affects the peak exposure to radiation
• C. It affects the average exposure to radiation
• D. It takes into account the thermal effects of the final amplifier

T2A10

31. 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 plan devised by a club to indicate frequency band usage
• D. A list of operating schedules

T6B10

32. Which of the following can provide power gain?

• A. Reactor
• B. Resistor
• C. Transformer
• D. Transistor

T7B06

33. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. All these choices are correct
• B. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• C. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• D. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

T8C11

34. What is an amateur radio station that connects other amateur stations to the internet?

• A. A beacon
• B. A digipeater
• C. A gateway
• D. A repeater

T3A10

35. What effect does multi-path propagation have on data transmissions?

• A. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• B. Transmission rates must be increased by a factor equal to the number of separate paths observed
• C. Error rates are likely to increase
• D. No significant changes will occur if the signals are transmitted using FM