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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the output connector of a transceiver
B	At the ac power service panel
C	On a grounded panel near where feed lines enter the building
D	At the antenna feed point

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Make sure all ground wire bends are right angles
B	Ensure that connections are short and direct
C	Put a drip loop in the ground connection to prevent water damage to the ground system
D	All these choices are correct

3. - T0C01

What type of radiation are radio signals?

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

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	52.525 MHz
C	49.00 MHz
D	222.15 MHz

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

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only when transmitting certain approved digital codes
C	Only during contests
D	Only when transmitting control commands to space stations or radio control craft

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the station licensee is away and another licensed amateur is using the station
B	When the transmitting station is an auxiliary station
C	When using automatic control, such as in the case of a repeater
D	Never

9. - T1F09

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

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

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The repeater station identification is done on a separate frequency
B	The difference between a repeater’s transmit and receive frequencies
C	The repeater has a time delay to prevent interference
D	The number of simultaneous transmit frequencies used by a repeater

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSL
B	QRU
C	QSY
D	QRZ

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The telephone number of the addressee
B	Information needed to track the message
C	The email address of the originating station
D	The address of the intended recipient

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	All these choices are correct
D	VHF ionospheric propagation is very sensitive to path length

14. - T3B04

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

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are not blocked by dust particles
B	The atmosphere refracts radio waves slightly
C	Radio waves are blocked by dust particles
D	Radio signals move somewhat faster than the speed of light

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	13.8 volts at 12 amperes
B	13.8 volts at 4 amperes
C	24.0 volts at 12 amperes
D	24.0 volts at 4 amperes

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits noise or interference reduction by selecting a bandwidth matching the mode
B	Permits monitoring several modes at once by selecting a separate filter for each mode
C	Increases the number of frequencies that can be stored in memory
D	Increases the amount of offset between receive and transmit frequencies

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Volts
D	Ohms

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One hundred volts
B	One million volts
C	One thousand volts
D	One one-thousandth of a volt

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MH
B	MHz
C	mh
D	Mhz

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	0.2 volts
B	12 volts
C	8 volts
D	20 volts

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Signal, bias, power
B	Pole one, pole two, output
C	Input, output, supply
D	Emitter, base, collector

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Connector
B	Variable inductor
C	Meter
D	Variable capacitor

25. - T6D06

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

Select	Answer
A	Transformer
B	Transistor
C	Diode
D	Variable capacitor

26. - T7A11

Where is an RF preamplifier installed?

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

27. - T7B01

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

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

28. - T7C02

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

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

29. - T7D04

Which instrument is used to measure electric current?

Select	Answer
A	An electrometer
B	An ohmmeter
C	A voltmeter
D	An ammeter

30. - T8A05

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

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

31. - T8B10

What is a LEO satellite?

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

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By entering the proper internet password
B	By using DTMF signals
C	By obtaining a password that is sent via voice to the node
D	By using CTCSS tone codes

33. - T8D13

What is FT8?

Select	Answer
A	A digital slow-scan TV mode with forward error correction and automatic color compensation
B	A digital mode capable of low signal-to-noise operation
C	A wideband FM voice mode
D	An eight channel multiplex mode for FM repeaters

34. - T9A09

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

Select	Answer
A	6
B	236
C	50
D	112

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It helps a receiver automatically tune in weak stations
B	It automatically selects the proper antenna for the frequency band being used
C	It allows an antenna to be used on both transmit and receive
D	It matches the antenna system impedance to the transceiver's output impedance

Figure T-3