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

2. - T0B09

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

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

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By informing the FCC of any changes made in your station
B	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	All these choices are correct
D	By making sure your antennas have low SWR

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	All these choices are correct
B	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
C	A radio service using amateur frequencies for emergency management or civil defense communications
D	A radio service using amateur stations for emergency management or civil defense communications

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	20 meters
C	2 meters
D	6 meters

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Five years
B	Ten years
C	Three years
D	Two years

7. - T1D10

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

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

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The licensed control operator must do the station identification
B	The person must be a U.S. citizen
C	All these choices are correct
D	The foreign station must be in a country with which the U.S. has a third party agreement

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Notify the FCC of the transmissions
B	Conduct tests only between 10 p.m. and 6 a.m. local time
C	All these choices are correct
D	Identify the transmitting station

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QRN
B	QSB
C	QTH
D	QRM

12. - T2C03

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Change from vertical to horizontal polarization
B	Increase the antenna SWR
C	Try to find a path that reflects signals to the repeater
D	Try the long path

14. - T3B05

What is the relationship between wavelength and frequency?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Backscatter
B	Gray-line propagation
C	Sporadic E
D	D region absorption

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To an FT8 conversion unit, a keyboard, and a computer monitor
B	To a computer running a terminal program and connected to a terminal node controller unit
C	To the audio input and output of a computer running WSJT-X software
D	To a computer connected to the FT8converter.com website

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Distorted transmitted audio
B	Frequency instability
C	Increased SWR
D	All these choices are correct

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Tesla
B	Hertz
C	Henry
D	Farad

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-1 dB
B	-6 dB
C	-3 dB
D	-9 dB

20. - T5C04

What is the unit of inductance?

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

21. - T5D06

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

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

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is opened or closed
B	A single circuit is switched between one of two other circuits
C	Two circuits are each switched between one of two other circuits
D	Two circuits are opened or closed

23. - T6B09

What are the names for the electrodes of a diode?

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Wire lengths
B	Component connections
C	All these choices are correct
D	Physical appearance of components

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	An inductor and a capacitor in series or parallel
B	A linear voltage regulator
C	A resistor circuit used for reducing standing wave ratio
D	A circuit designed to provide high-fidelity audio

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Impedance matching
B	Low-pass filtering
C	Modulation
D	Oscillation

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The deviation of an FM transmitter is set too low
B	The audio amplifier of the transmitter is overloaded
C	The microphone gain of the transmitter is turned up too high
D	The receiver is unable to reject strong signals outside the AM or FM band

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can increase losses in the cable’s jacket
B	Ultraviolet and RF signals can mix, causing interference
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet light can damage the jacket and allow water to enter the cable

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is not powered
B	Ensure that the circuit is operating at the correct frequency
C	Ensure that the applied voltages are correct
D	Ensure that the circuit is grounded

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 6 MHz
B	About 3 MHz
C	More than 10 MHz
D	About 1 MHz

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	Health and status of the satellite
B	All these choices are correct
C	The signal strength of received signals
D	Time of day accurate to plus or minus 1/10 second

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	D-STAR
B	EchoLink
C	DMR
D	IRLP

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic position tracking mode for FM mobiles communicating through repeaters
B	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
C	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
D	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	All these choices are correct
B	It has low efficiency
C	It transmits only circularly polarized signals
D	It is mechanically fragile

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Reduced signal loss
B	All these choices are correct
C	Less antenna wear
D	Reduced television interference