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	All these choices are correct
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	Excessive current could cause a fire

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Wear a ground strap connected to your wrist at all times
B	All these choices are correct
C	Look for and stay clear of any overhead electrical wires
D	Insulate the base of the tower to avoid lightning strikes

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

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	An amateur station using amateur radio satellites for relay of signals
B	An amateur station located more than 50 km above Earth's surface
C	A manned satellite orbiting Earth
D	Any satellite orbiting Earth

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

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur who has been licensed continuously for more than 10 years
B	Only a licensed amateur with a General or Amateur Extra Class license
C	Any licensed amateur
D	Only a licensed amateur with an Amateur Extra Class license

7. - T1D10

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

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

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	At the end of each communication and every ten minutes during a communication
B	Once during every hour
C	Never, the tactical call is sufficient
D	At the end of every transmission

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	“QSY” followed by your call sign
D	The repeater call sign followed by the station’s call sign

11. - T2B08

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

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

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Call the net to order and direct communications between stations checking in
B	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
C	Choose the regular net meeting time and frequency
D	All these choices are correct

13. - T3A01

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

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

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed that increases as the frequency increases
B	Speed of sound
C	Speed of light
D	Speed inversely proportional to its wavelength

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

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 types of modulation being used at the station
C	The distance that the meter will be located from the antenna
D	The frequency and power level at which the measurements will be made

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Distortion of the signal’s audio
B	Generation of a heterodyne tone
C	Sideband inversion
D	Change in audio pitch

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Volts
B	Watt-hours
C	Amperes
D	Watts

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	50 watts
B	0.5 watts
C	0.02 watts
D	5 watts

20. - T5C12

What is impedance?

Select	Answer
A	The opposition to AC current flow
B	The inverse of resistance
C	The power handling capability of a component
D	The Q or Quality Factor of a component

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	2 amperes
B	20,000 amperes
C	0.5 amperes
D	100 amperes

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Field strength
B	Capacitance
C	Resistance
D	Inductance

23. - T6B04

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

Select	Answer
A	Pentagrid converter
B	Alternator
C	Transistor
D	Triode

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Bill of materials
B	Connector pinout
C	Flow chart
D	Schematic

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To increase the current carrying capability of the wire
B	To prevent coupling of unwanted signals to or from the wire
C	To couple the wire to other signals
D	To decrease the resistance of DC power connections

26. - T7A03

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

Select	Answer
A	Mixer
B	Amplifier
C	Phase splitter
D	Inverter

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 audio amplifier of the transmitter is overloaded
D	The microphone gain of the transmitter is turned up too high

28. - T7C03

What does a dummy load consist of?

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

29. - T7D02

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

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

30. - T8A07

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

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

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	Check your signal strength report in the telemetry data
B	Listen for distortion on your downlink signal
C	All these choices are correct
D	Your signal strength on the downlink should be about the same as the beacon

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	All these choices are correct
B	Send only the minimum information needed for proper identification and the contest exchange
C	Sign only the last two letters of your call if there are many other stations calling
D	Contact the station twice to be sure that you are in his log

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	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
C	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	5/8 wave vertical
B	Yagi
C	J pole
D	Isotropic

35. - T9B06

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

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