Practice Exam

T3A06

1. What is the meaning of the term "picket fencing"?

• A. A type of ground system used with vertical antennas
• B. Rapid flutter on mobile signals due to multipath propagation
• C. Local vs long-distance communications
• D. Alternating transmissions during a net operation

T2A08

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

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

T1E02

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

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

T3B02

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

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

T7B06

5. 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. 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
• B. All these choices are correct
• C. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• D. Immediately turn off your transmitter and contact the nearest FCC office for assistance

T6A11

6. Which of the following battery chemistries is not rechargeable?

• A. Lead-acid
• B. Carbon-zinc
• C. Lithium-ion
• D. Nickel-cadmium

T0C07

7. What hazard is created by touching an antenna during a transmission?

• A. All these choices are correct
• B. Electrocution
• C. RF burn to skin
• D. Radiation poisoning

T1D07

8. What types of amateur stations can automatically retransmit the signals of other amateur stations?

• A. Earth, repeater, or space stations
• B. Auxiliary, beacon, or Earth stations
• C. Repeater, auxiliary, or space stations
• D. Beacon, repeater, or space stations

T9A03

9. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A horizontally polarized antenna
• B. A vertically polarized antenna
• C. A ground-wave antenna
• D. A travelling-wave antenna

T8A08

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

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

T7C03

11. What does a dummy load consist of?

• A. A low-voltage power supply and a DC relay
• B. A 50-ohm reactance used to terminate a transmission line
• C. A high-gain amplifier and a TR switch
• D. A non-inductive resistor mounted on a heat sink

T5D13

12. In which type of circuit is DC current the same through all components?

• A. Series
• B. Branch
• C. Resonant
• D. Parallel

T6D04

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

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

T5A02

14. Electrical power is measured in which of the following units?

• A. Watt-hours
• B. Watts
• C. Volts
• D. Amperes

T0B07

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

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

T2C02

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

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

T5C11

17. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 132 amperes
• B. 12 amperes
• C. 10 amperes
• D. 0.1 amperes

T6B10

18. Which of the following can provide power gain?

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

T6C09

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

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

T7D09

20. What is the characteristic appearance of a cold tin-lead solder joint?

• A. Excessive solder
• B. Dark black spots
• C. A bright or shiny surface
• D. A rough or lumpy surface

T2B03

21. Which of the following describes a linked repeater network?

• A. Multiple repeaters with the same control operator
• B. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
• C. A system of repeaters linked by APRS
• D. A single repeater with more than one receiver

T9B12

22. What is standing wave ratio (SWR)?

• A. The transmitter efficiency ratio
• B. A measure of how well a load is matched to a transmission line
• C. An indication of the quality of your station's ground connection
• D. The ratio of amplifier power output to input

T1A04

23. How many operator/primary station license grants may be held by any one person?

• A. One for each band on which the person plans to operate
• B. One
• C. No more than two
• D. One for each permanent station location from which the person plans to operate

T8C10

24. What is required before using the EchoLink system?

• A. Register your call sign and provide proof of license
• B. Purchase a license to use the EchoLink software
• C. All these choices are correct
• D. Complete the required EchoLink training

T8B09

25. What causes spin fading of satellite signals?

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

T1C11

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

T0A02

27. What health hazard is presented by electrical current flowing through the body?

• A. It may cause involuntary muscle contractions
• B. It may cause injury by heating tissue
• C. It may disrupt the electrical functions of cells
• D. All these choices are correct

T4B03

28. How is squelch adjusted so that a weak FM signal can be heard?

• A. Set the squelch threshold so that receiver output audio is on all the time
• B. Enable squelch enhancement
• C. Turn up the audio level until it overcomes the squelch threshold
• D. Turn on the anti-squelch function

T1F05

29. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign using only a phone emission
• B. Send the call sign using a CW or phone emission
• C. Send the call sign followed by the indicator RPT
• D. Send the call sign followed by the indicator R

T4A05

30. Where should an RF power meter be installed?

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

T7A11

31. Where is an RF preamplifier installed?

• A. At the output of the transmitter power amplifier
• B. Between the antenna and receiver
• C. At the output of the receiver audio amplifier
• D. Between the transmitter and the antenna tuner

T3C07

32. What band is best suited for communicating via meteor scatter?

• A. 33 centimeters
• B. 6 meters
• C. 2 meters
• D. 70 centimeters

T5B09

33. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 5 dB
• B. 3 dB
• C. 10 dB
• D. 2 dB

T1B01

34. Which of the following frequency ranges are available for phone operation by Technician licensees?

• A. 28.100 MHz to 28.300 MHz
• B. 28.050 MHz to 28.150 MHz
• C. 28.500 MHz to 28.600 MHz
• D. 28.300 MHz to 28.500 MHz

T8D13

35. What is FT8?

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