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. - T0B07

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

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It decreases by 50 percent
B	It increases by a factor of 2
C	There is no adjustment allowed for lower duty cycle
D	It increases by a factor of 3

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	All these choices are correct
B	It is encouraged
C	It is required when transmitting emergency messages
D	It is required when in contact with foreign stations

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	International communications are not permitted in those segments
B	U.S. amateurs must give foreign amateur stations priority in those segments
C	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
D	Digital transmissions are not permitted in those segments

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
B	Failure to have a copy of your license available at your station
C	Failure to obtain FCC type acceptance prior to using a home-built transmitter
D	Failure to provide and maintain a correct email address with the FCC

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Two-way transmissions by amateur stations
B	Transmissions intended for reception by the general public
C	Transmission of messages directed only to amateur operators
D	Any transmission made by the licensed station

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	The control operator and the station licensee
B	Only the control operator
C	Only the station licensee
D	All licensed amateurs who are present at the operation

9. - T1F08

What is the definition of third party communications?

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

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	The station’s call sign followed by the word “monitoring”
C	The repeater call sign followed by the station’s call sign
D	“QSY” followed by your call sign

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations with simple transmitters can access the repeater without automated offset
B	For working DX only
C	For contest operation
D	So stations within range of each other can communicate without tying up a repeater

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	No
B	Yes, but only when part of a FEMA emergency plan
C	Yes, but only in situations involving the immediate safety of human life or protection of property
D	Yes, but only when part of a RACES emergency plan

13. - T3A09

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

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

14. - T3B06

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

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	D region refraction
B	Faraday rotation
C	F2 region refraction
D	Tropospheric ducting

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To avoid RF interference
B	To minimize voltage drop when transmitting
C	All these choices are correct
D	To provide a good counterpoise for the antenna

17. - T4B03

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

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

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Current
B	Resistance
C	Voltage
D	Capacitance

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	284.00 MHz
B	28.400 kHz
C	2.800 MHz
D	28.400 MHz

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	KHZ
B	khz
C	kHz
D	khZ

21. - T5D06

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

Select	Answer
A	3 ohms
B	8 ohms
C	48 ohms
D	16 ohms

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Varistor
B	Inductor
C	Capacitor
D	Diode

23. - T6B04

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

Select	Answer
A	Triode
B	Pentagrid converter
C	Alternator
D	Transistor

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Meter
B	Variable inductor
C	Connector
D	Variable capacitor

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Diode
B	Variable capacitor
C	Transformer
D	Transistor

26. - T7A09

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

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

27. - T7B06

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?

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

28. - T7C04

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

Select	Answer
A	Full Scale
B	50:50
C	Zero
D	1:1

29. - T7D02

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

Select	Answer
A	In quadrature
B	In phase
C	In series
D	In parallel

30. - T8A07

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

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

31. - T8B05

What is a satellite beacon?

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

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Echolocation
B	Phase locking
C	Radio direction finding
D	Doppler radar

33. - T8D13

What is FT8?

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

34. - T9A01

What is a beam antenna?

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

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	75-ohm flexible coax
B	Air-insulated hardline
C	Multi-conductor unbalanced cable
D	50-ohm flexible coax

Figure T-3