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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	All these choices are correct
B	The antenna will not work properly because of induced voltages
C	The 60 Hz radiations from the feed line may increase the SWR
D	The antenna could contact high-voltage power lines

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate the transmitter
B	Increase the duty cycle
C	All these choices are correct
D	Relocate antennas

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is encouraged
B	It is required when in contact with foreign stations
C	All these choices are correct
D	It is required when transmitting emergency messages

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	1500 watts
B	100 watts
C	500 watts
D	50 watts

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to provide and maintain a correct email address with the FCC
B	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
C	Failure to obtain FCC type acceptance prior to using a home-built transmitter
D	Failure to have a copy of your license available at your station

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from making such communications by the American Radio Relay League (ARRL)
B	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
C	Any country banned from such communications by the International Amateur Radio Union (IARU)
D	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The highest class of operator license held by anyone on the premises
C	The frequencies printed on the license grant
D	The frequency authorized by the frequency coordinator

9. - T1F11

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

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

10. - T2A08

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

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations with simple transmitters can access the repeater without automated offset
B	So stations within range of each other can communicate without tying up a repeater
C	For working DX only
D	For contest operation

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a RACES emergency plan
B	Yes, but only when part of a FEMA emergency plan
C	No
D	Yes, but only in situations involving the immediate safety of human life or protection of property

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Either vertically or horizontally polarized antennas may be used for transmission or reception
B	Digital modes are unusable
C	FM voice is unusable
D	Both the transmitting and receiving antennas must be of the same polarization

14. - T3B08

What frequency range is referred to as VHF?

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

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

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the 12 volt battery chassis ground
B	To any metal part of the vehicle
C	Through the transceiver’s mounting bracket
D	At the antenna mount

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The AGC or limiter
B	The bandwidth selection
C	The tone squelch
D	The RIT or Clarifier

18. - T5A12

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

Select	Answer
A	Wavelength
B	Speed
C	Frequency
D	Pulse rate

19. - T5B05

Which is equal to 500 milliwatts?

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

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E – I
B	P = I  E
C	P = E / I
D	P = I + E

21. - T5D06

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

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

22. - T6A06

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

Select	Answer
A	Varistor
B	Inductor
C	Capacitor
D	Diode

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Inductively-coupled RF signal
B	Forward current
C	Capacitively-coupled RF signal
D	Reverse current

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Dummy load
B	Antenna
C	Ground
D	Transmitter

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Supply electrical energy
B	Convert electrical energy into radio waves
C	Give off light when current flows through it
D	Control the flow of current

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the frequency range of the amplifier to operate in the proper segment of the band
B	Reduce the received signal noise
C	Change the mode of the transmitted signal
D	Set the amplifier for proper operation in the selected mode

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. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Ohmmeter
B	Iambic pentameter
C	Voltmeter
D	Directional wattmeter

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Voltage and resistance
B	All these choices are correct
C	Signal strength and noise
D	Impedance and reactance

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	Slow-scan TV
B	CW
C	SSB voice
D	FM voice

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	A special digital communications mode for some satellites
C	An observed change in signal frequency caused by relative motion between the satellite and Earth station
D	A change in the satellite orbit

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	DMR
B	IRLP
C	EchoLink
D	D-STAR

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
B	A way for groups of users to share a channel at different times without hearing other users on the channel
C	A net that meets at a specified time
D	A group of operators sharing common interests

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	12
B	19
C	112
D	50

35. - T9B05

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

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

Figure T-3

Figure T-1