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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the circuit is grounded through the voltmeter
B	Ensure that the voltmeter has very low impedance
C	Ensure that the voltmeter is set to the correct frequency
D	Ensure that the voltmeter and leads are rated for use at the voltages to be measured

2. - T0B08

Which is a proper grounding method for a tower?

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Non-ionizing radiation
B	Ionizing radiation
C	Gamma radiation
D	Alpha radiation

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B10

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

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

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	No, you must wait until the license has been renewed
B	Yes, for up to one year
C	Yes, for up to two years
D	Yes, as soon as you apply for renewal

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	International Morse Code Practice
B	In all circumstances
C	Broadcasting
D	Telecommand or transmissions of telemetry

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The person operating the station equipment
B	The station custodian
C	The third party participant
D	The station licensee

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least once during each transmission
B	At least every 10 minutes during and at the end of a communication
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least every 15 minutes during and at the end of a communication

10. - T2A10

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

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

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
C	Multiple repeaters with the same control operator
D	A system of repeaters linked by APRS

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	All these choices are correct
B	Send the words by voice and Morse code
C	Speak very loudly into the microphone
D	Spell the words using a standard phonetic alphabet

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	Interference from thunderstorms
C	Random combining of signals arriving via different paths
D	Intermodulation distortion

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency are unrelated
B	Wavelength gets shorter as frequency increases
C	Wavelength and frequency increase as path length increases
D	Wavelength gets longer as frequency increases

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	6 and 10 meters
C	70 centimeters and 1.25 meters
D	23 centimeters

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Multiply the square of the current rating of the battery by the input resistance of the equipment
B	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
C	Multiply the watts per hour consumed by the equipment by the battery power rating
D	Divide the battery ampere-hour rating by the average current draw of the equipment

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	All these choices are correct
B	The keypad or VFO knob
C	The Automatic Frequency Control
D	The CTCSS or DTMF encoder

18. - T5A12

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

Select	Answer
A	Frequency
B	Pulse rate
C	Speed
D	Wavelength

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The ohm
B	The henry
C	The coulomb
D	The farad

21. - T5D06

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

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

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Nickel-metal hydride
B	Lithium-ion
C	Lead-acid
D	All these choices are correct

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Driven element
B	Resistor
C	Diode
D	Fuse

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Resistor
D	Battery

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	FET
B	LED
C	Zener diode
D	Bipolar transistor

26. - T7A03

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

Select	Answer
A	Inverter
B	Phase splitter
C	Mixer
D	Amplifier

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Talk louder into the microphone
B	Let the transceiver cool off
C	Talk farther away from the microphone
D	Change to a higher power level

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To comply with FCC rules on spectral purity
B	To protect the output amplifier transistors
C	Because power supplies cannot supply enough current at high SWR
D	To lower the SWR on the transmission line

29. - T7D02

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

Select	Answer
A	In quadrature
B	In series
C	In phase
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	All these choices are correct
D	SSB signals have narrower bandwidth

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A sun synchronous satellite
B	A satellite in low earth orbit
C	A satellite in low energy operation mode
D	A highly elliptical orbit satellite

32. - T8C11

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

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

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 digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
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. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Broadside to the antenna
B	Off the ends of the antenna
C	Equally in all directions
D	In the direction of the feed line

35. - T9B06

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

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

Figure T-1