Practice Exam

T6D07

1. Which of the following is commonly used as a visual indicator?

• A. Bipolar transistor
• B. LED
• C. FET
• D. Zener diode

T1D09

2. 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

T8A07

3. What is a characteristic of single sideband (SSB) compared to FM?

• A. All these choices are correct
• B. SSB signals are easier to tune in correctly
• C. SSB signals are less susceptible to interference
• D. SSB signals have narrower bandwidth

T1B06

4. On which HF bands does a Technician class operator have phone privileges?

• A. 80 meter, 40 meter, 15 meter, and 10 meter bands
• B. 30 meter band only
• C. None
• D. 10 meter band only

T3B09

5. What frequency range is referred to as UHF?

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

T0C08

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

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

T2B02

7. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. CTCSS
• B. Carrier squelch
• C. DTMF
• D. Tone burst

T4A09

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

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

T3A03

9. 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. Left-hand circular
• D. Vertical

T0A08

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

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

T6C02

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

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

T5D11

12. 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. 1 volt
• D. 10 volts

T3C03

13. What is a characteristic of VHF signals received via auroral backscatter?

• A. They are generally strongest when your antenna is aimed west
• B. They occur only during winter nighttime hours
• C. They are often received from 10,000 miles or more
• D. They are distorted and signal strength varies considerably

T1E08

14. Which of the following is an example of automatic control?

• A. Using a computer or other device to send CW automatically
• B. Repeater operation
• C. Using a computer or other device to identify automatically
• D. Controlling a station over the internet

T1C09

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

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

T7C04

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

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

T8D07

17. Which of the following describes DMR?

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

T8B11

18. Who may receive telemetry from a space station?

• A. A licensed radio amateur with a transmitter equipped for interrogating the satellite
• B. A licensed radio amateur who has registered for an access code from AMSAT
• C. Anyone
• D. A licensed radio amateur who has been certified by the protocol developer

T6B01

19. Which is true about forward voltage drop in a diode?

• A. It is proportional to peak inverse voltage
• B. It indicates that the diode is defective
• C. It is lower in some diode types than in others
• D. It has no impact on the voltage delivered to the load

T2A01

20. What is a common repeater frequency offset in the 2 meter band?

• A. Plus or minus 600 kHz
• B. Plus or minus 5 MHz
• C. Plus or minus 1 MHz
• D. Plus or minus 500 kHz

T7A03

21. Which of the following is used to convert a signal from one frequency to another?

• A. Mixer
• B. Inverter
• C. Amplifier
• D. Phase splitter

T9B06

22. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. UHF (PL-259/SO-239)
• B. Type N
• C. RS-213
• D. DB-25

T7B01

23. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Talk farther away from the microphone
• B. Talk louder into the microphone
• C. Let the transceiver cool off
• D. Change to a higher power level

T8C05

24. What is a grid locator?

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

T5B05

25. Which is equal to 500 milliwatts?

• A. 50 watts
• B. 0.02 watts
• C. 5 watts
• D. 0.5 watts

T2C11

26. What is meant by "check" in a radiogram header?

• A. A list of stations that have relayed the message
• B. The call sign of the originating station
• C. A box on the message form that indicates that the message was received and/or relayed
• D. The number of words or word equivalents in the text portion of the message

T7D03

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

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

T1A01

28. 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. All these choices are correct
• C. Advancing skills in the technical and communication phases of the radio art
• D. Providing personal radio communications for as many citizens as possible

T4B11

29. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. Your call sign
• B. All these choices are correct
• C. The codec type being used
• D. Your output power

T0B09

30. Why should you avoid attaching an antenna to a utility pole?

• A. The antenna could contact high-voltage power lines
• B. All these choices are correct
• C. The 60 Hz radiations from the feed line may increase the SWR
• D. The antenna will not work properly because of induced voltages

T5A11

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

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

T9A01

32. What is a beam antenna?

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

T6A11

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

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

T5C11

34. 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

T1F08

35. 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. A message from a control operator to another amateur station control operator on behalf of another person
• C. Amateur radio communications where three stations are in communications with one another
• D. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments