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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	Excessive current could cause a fire
B	The larger fuse would be likely to blow because it is rated for higher current
C	The power supply ripple would greatly increase
D	All these choices are correct

2. - T0B10

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

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

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	50 MHz
B	440 MHz
C	3.5 MHz
D	1296 MHz

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A government transmitter marking the amateur radio band edges
B	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A bulletin sent by the FCC to announce a national emergency
D	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	In at least some segment of all these bands
B	Only in sub-bands allocated to General class or higher licensees
C	On any band if the power is limited to 25 watts
D	Only on repeaters

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KF1XXX
B	KA1X
C	All these choices are correct
D	W1XX

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
B	When broadcasting communications to or from the space shuttle
C	Never
D	When such communications are directly related to the immediate safety of human life or protection of property

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F09

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

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

10. - T2A08

What is the meaning of the procedural signal “CQ”?

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

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	The stations should negotiate continued use of the frequency
B	Use subaudible tones so both stations can share the frequency
C	Both stations should choose another frequency to avoid conflict
D	Interference is inevitable, so no action is required

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
B	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
C	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
D	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

13. - T3A06

What is the meaning of the term “picket fencing”?

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

14. - T3B06

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

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Knife-edge diffraction
B	Doppler shift
C	Quantum tunneling
D	Faraday rotation

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	Communication using digital voice or data systems via the internet
B	FT8 digital communications via AFSK
C	High-speed digital communications for meteor scatter
D	RTTY encoding and decoding without a computer

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Your call sign in CW for automatic identification
B	The codec for digitizing audio
C	Access information for repeaters and talkgroups
D	The DMR software version

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Speed
B	Wavelength
C	Pulse rate
D	Frequency

19. - T5B09

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

Select	Answer
A	10 dB
B	2 dB
C	3 dB
D	5 dB

20. - T5C09

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

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

21. - T5D13

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

Select	Answer
A	Parallel
B	Branch
C	Series
D	Resonant

22. - T6A01

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

Select	Answer
A	Inverter
B	Inductor
C	Resistor
D	Transformer

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	Forward resistance
B	Gain
C	Forward voltage drop
D	On resistance

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Regulator IC
B	Resistor
C	Light emitting diode
D	Inductor

25. - T6D01

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

Select	Answer
A	Amplifier
B	Transformer
C	Rectifier
D	Reflector

26. - T7A11

Where is an RF preamplifier installed?

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

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your batteries are running low
B	You are in a bad location
C	All these choices are correct
D	Your transmitter is slightly off frequency

28. - T7C04

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

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Attempting to measure voltage when using the resistance setting
B	Failing to connect one of the probes to ground
C	Not allowing it to warm up properly
D	Attempting to measure resistance using the voltage setting

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Between 10 and 15 kHz
B	Between 50 and 125 kHz
C	Less than 500 Hz
D	About 150 kHz

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	A licensed radio amateur with a transmitter equipped for interrogating the satellite
C	Anyone
D	A licensed radio amateur who has been certified by the protocol developer

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A repeater
B	A beacon
C	A digipeater
D	A gateway

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	Packet radio
B	IEEE 802.11
C	All these choices are correct
D	FT8

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	236
C	50
D	6

35. - T9B11

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

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

Figure T-2