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

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
B	1/2 wavelength at the operating frequency
C	The height of the power line above ground
D	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5

3. - T0C02

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

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

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	No more than two
B	One for each band on which the person plans to operate
C	One
D	One for each permanent station location from which the person plans to operate

5. - T1B01

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

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

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Only communications incidental to contest exchanges; all other communications are prohibited
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Any communications that would be permitted by an international broadcast station
D	Communications incidental to conducting business or remarks of a personal nature

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmissions are of a brief nature to make station adjustments
B	When transmitting signals to control model craft
C	When the transmitted power level is below 1 watt
D	When the transmissions are unmodulated

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator RPT
B	Send the call sign using only a phone emission
C	Send the call sign using a CW or phone emission
D	Send the call sign followed by the indicator R

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	432.100 MHz
B	146.520 MHz
C	145.000 MHz
D	446.000 MHz

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s output frequency
B	To listen on a repeater’s input frequency
C	To increase power output
D	To reduce power output

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Making decisions as to whether messages are worthy of relay or delivery
B	Passing messages exactly as received
C	Ensuring that any newsworthy messages are relayed to the news media
D	All these choices are correct

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

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency are unrelated
B	Wavelength and frequency increase as path length increases
C	Wavelength gets shorter as frequency 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	70 centimeters and 1.25 meters
B	23 centimeters
C	All these choices are correct
D	6 and 10 meters

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	RTTY encoding and decoding without a computer
C	FT8 digital communications via AFSK
D	High-speed digital communications for meteor scatter

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	5000 Hz
B	500 Hz
C	2400 Hz
D	1000 Hz

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Volts
D	Ohms

19. - T5B09

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

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

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	14.5 watts
B	30 watts
C	4.8 watts
D	0.208 watts

21. - T5D06

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

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

22. - T6A06

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

Select	Answer
A	Capacitor
B	Inductor
C	Varistor
D	Diode

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Plus and minus
B	Source and drain
C	Gate and base
D	Anode and cathode

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Regulator IC
C	Transistor
D	Capacitor

25. - T6D06

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

Select	Answer
A	Transistor
B	Diode
C	Transformer
D	Variable capacitor

26. - T7A03

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

Select	Answer
A	Amplifier
B	Phase splitter
C	Mixer
D	Inverter

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the amateur signal with a filter at the antenna input of the affected receiver
B	Switch the transmitter to a narrow-band mode
C	Block the interfering signal with a filter on the amateur transmitter
D	Switch the transmitter from FM to SSB

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A frequency counter
B	A Q meter
C	An antenna analyzer
D	A VTVM

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Inverted sideband
B	Suppressed sideband
C	Lower sideband
D	Upper sideband

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur with a transmitter equipped for interrogating the satellite
B	Anyone
C	A licensed radio amateur who has registered for an access code from AMSAT
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 digipeater
B	A repeater
C	A gateway
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. - T9A01

What is a beam antenna?

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

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It has less loss than any other type of feed line
B	It is less expensive than any other type of feed line
C	It can handle more power than any other type of feed line
D	It is easy to use and requires few special installation considerations

Figure T-2