US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A10

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

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

2. - T0B10

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

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is transmitting
B	The difference between the PEP and average power output of a transmitter
C	The percentage of time that a transmitter is not transmitting
D	The difference between the lowest power output and the highest power output of a transmitter

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	Homeland Security
B	All these choices are correct
C	FEMA
D	The FCC

5. - T1B02

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

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

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
B	Communications incidental to conducting business or remarks of a personal nature
C	Only communications incidental to contest exchanges; all other communications are prohibited
D	Any communications that would be permitted by an international broadcast station

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting certain approved digital codes
B	Never
C	Only when transmitting control commands to space stations or radio control craft
D	Only during contests

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the transmitting station is an auxiliary station
B	Never
C	When the station licensee is away and another licensed amateur is using the station
D	When using automatic control, such as in the case of a repeater

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Earth station
B	Message forwarding station
C	Beacon station
D	Repeater station

10. - T2A10

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

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

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To increase power output
B	To reduce power output
C	To listen on a repeater’s input frequency
D	To listen on a repeater’s output frequency

12. - T2C07

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

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

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Frequency shift due to Faraday rotation
B	Random combining of signals arriving via different paths
C	Intermodulation distortion
D	Interference from thunderstorms

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in megahertz divided by 300
B	Wavelength in meters equals frequency in hertz divided by 300
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals 300 divided by frequency in megahertz

15. - T3C11

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

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

16. - T4A02

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

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

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	500 Hz
B	5000 Hz
C	2400 Hz
D	1000 Hz

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Aluminum
B	Copper
C	Mercury
D	Glass

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	2.425 GHz
B	24.25 GHz
C	0.002425 GHz
D	2425 GHz

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	23.8 watts
B	0.7 watts
C	138 watts
D	3.8 watts

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	13.5 ohms
B	0.125 ohms
C	8 ohms
D	18 ohms

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Inductor
B	Switch
C	Capacitor
D	Diode

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Alternator
B	Triode
C	Transistor
D	Pentagrid converter

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Wire lengths
B	Physical appearance of components
C	All these choices are correct
D	Component connections

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	An inductor and a capacitor in series or parallel
B	A circuit designed to provide high-fidelity audio
C	A resistor circuit used for reducing standing wave ratio
D	A linear voltage regulator

26. - T7A03

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

Select	Answer
A	Phase splitter
B	Inverter
C	Mixer
D	Amplifier

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The receiver is unable to reject strong signals outside the AM or FM band
B	The deviation of an FM transmitter is set too low
C	The microphone gain of the transmitter is turned up too high
D	The audio amplifier of the transmitter is overloaded

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D09

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

Select	Answer
A	A rough or lumpy surface
B	Dark black spots
C	Excessive solder
D	A bright or shiny surface

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	FM or PM
B	SSB
C	AM
D	PSK

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A reflective surface on the satellite
B	A transmission from a satellite that contains status information
C	An indicator light that shows where to point your antenna
D	The primary transmit antenna on the satellite

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By entering the proper internet password
C	By using CTCSS tone codes
D	By using DTMF signals

33. - T8D07

Which of the following describes DMR?

Select	Answer
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	An automatic position tracking mode for FM mobiles communicating through repeaters
D	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It radiates at a very high angle
B	It eliminates distortion caused by reflected signals
C	It has 10 times the power gain of a 1/4 wavelength whip
D	It has more gain than a 1/4-wavelength antenna

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	All these choices are correct
B	Water intrusion into coaxial connectors
C	High SWR
D	Multiple connectors in the line