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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	To limit current to prevent shocks
B	To prevent power supply ripple from damaging a component
C	To remove power in case of overload
D	All these choices are correct

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A connection between the tower base and a cold water pipe
B	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
C	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
D	A ferrite-core RF choke connected between the tower and ground

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The local zoning board
B	The FCC
C	The station licensee
D	Anyone who is near an antenna

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	To stop another amateur station that is breaking the FCC rules
B	When making short test transmissions
C	At any time, stations in the Amateur Radio Service are not protected from willful interference
D	At no time

5. - T1B01

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

Select	Answer
A	28.300 MHz to 28.500 MHz
B	28.050 MHz to 28.150 MHz
C	28.500 MHz to 28.600 MHz
D	28.100 MHz to 28.300 MHz

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Five years
B	Eight years
C	Life
D	Ten years

7. - T1D07

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

Select	Answer
A	Earth, repeater, or space stations
B	Beacon, repeater, or space stations
C	Auxiliary, beacon, or Earth stations
D	Repeater, auxiliary, or space stations

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	All these choices are correct
B	Controlling a model aircraft, boat, or car by amateur radio
C	Repeater operation
D	Operating the station over the internet

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The club must be registered with the American Radio Relay League
B	The trustee must have an Amateur Extra Class operator license grant
C	All these choices are correct
D	The club must have at least four members

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

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QTH
B	QRN
C	QSB
D	QRM

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	An international radio experimentation society
C	An emergency organization combining amateur radio and citizens band operators and frequencies
D	A radio contest held in a short period, sometimes called a “sprint”

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	VHF ionospheric propagation is very sensitive to path length
B	All these choices are correct
C	The signal path encounters different concentrations of water vapor
D	Multipath propagation cancels or reinforces signals

14. - T3B08

What frequency range is referred to as VHF?

Select	Answer
A	30 MHz to 300 MHz
B	300 MHz to 3000 MHz
C	300 kHz to 3000 kHz
D	30 kHz to 300 kHz

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	All these choices are correct
B	23 centimeters
C	6 and 10 meters
D	70 centimeters and 1.25 meters

16. - T4A03

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

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

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the VOX
B	Enable the frequency offset
C	Use the scan mode to select the desired frequency
D	Store it in a memory channel

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Copper
C	Glass
D	Aluminum

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-3 dB
B	-1 dB
C	-9 dB
D	-6 dB

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The resonant frequency of a tuned circuit
B	Reflective force in antenna transmission lines
C	The real frequency transmitted as opposed to the apparent frequency
D	Radio frequency signals of all types

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Series
B	Resonant
C	Parallel
D	Branch

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Inverter
B	Transformer
C	Inductor
D	Resistor

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Bipolar junction
B	Tesla-effect
C	Field-effect
D	Varistor

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Resistor
C	Battery
D	Transistor

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Rectifier
B	Amplifier
C	Reflector
D	Transformer

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Sensitivity
B	Harmonic distortion
C	Discrimination ratio
D	Selectivity

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing bypass capacitors on the microphone cable
B	Installing a band-reject filter
C	Using double-shielded coaxial cable
D	Installing an RF preamplifier

28. - T7C03

What does a dummy load consist of?

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

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	An ohmmeter
B	An ammeter
C	A voltmeter
D	A wavemeter

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	2.4 kHz
B	15 kHz
C	150 Hz
D	1000 Hz

31. - T8B11

Who may receive telemetry from a space station?

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Public service events
C	Simulated emergency exercises
D	Net operations

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
B	An automatic position tracking mode for FM mobiles communicating through repeaters
C	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
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 has 10 times the power gain of a 1/4 wavelength whip
C	It has more gain than a 1/4-wavelength antenna
D	It eliminates distortion caused by reflected signals

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss decreases
B	The characteristic impedance increases
C	The loss increases
D	The characteristic impedance decreases

Figure T-1