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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Equipment ground
B	Neutral
C	Hot
D	Black insulation is never used

2. - T0B09

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

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 2
B	It decreases by 50 percent
C	It increases by a factor of 3
D	There is no adjustment allowed for lower duty cycle

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing communications for international non-profit organizations
B	Providing personal radio communications for as many citizens as possible
C	All these choices are correct
D	Advancing skills in the technical and communication phases of the radio art

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Five years
B	Eight years
C	Ten years
D	Life

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
B	There is no such prohibition
C	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
D	Any such language is prohibited

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	Both the originating station and the repeater owner
B	The control operator of the repeater
C	The control operator of the originating station
D	The owner of the repeater

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 1 MHz
B	Plus or minus 5 MHz
C	Plus or minus 500 kHz
D	Plus or minus 600 kHz

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Interference is inevitable, so no action is required
B	The stations should negotiate continued use of the frequency
C	Use subaudible tones so both stations can share the frequency
D	Both stations should choose another frequency to avoid conflict

12. - T2C04

What is RACES?

Select	Answer
A	A radio contest held in a short period, sometimes called a “sprint”
B	An FCC part 97 amateur radio service for civil defense communications during national emergencies
C	An international radio experimentation society
D	An emergency organization combining amateur radio and citizens band operators and frequencies

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

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 meters per second
B	150,000 miles per hour
C	300,000,000 meters per second
D	300,000,000 miles per hour

15. - T3C11

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

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

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	To avoid RF interference
C	To provide a good counterpoise for the antenna
D	All these choices are correct

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Sideband inversion
B	Distortion of the signal’s audio
C	Generation of a heterodyne tone
D	Change in audio pitch

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Glass
C	Aluminum
D	Copper

19. - T5B05

Which is equal to 500 milliwatts?

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

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Capacitance
B	Inductance
C	Resistance
D	Tolerance

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	200 amperes
B	0.667 amperes
C	1.5 amperes
D	9600 amperes

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Fixed resistor
B	Transformer
C	Power resistor
D	Potentiometer

23. - T6B07

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

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D02

What is a relay?

Select	Answer
A	A pass transistor
B	A current controlled amplifier
C	An electrically-controlled switch
D	An inverting amplifier

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Low-pass filter
B	High-pass filter
C	Transverter
D	Phase converter

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 receiver is unable to reject strong signals outside the AM or FM band
C	The audio amplifier of the transmitter is overloaded
D	The microphone gain of the transmitter is turned up too high

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 light can damage the jacket and allow water to enter the cable
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet resistant jackets prevent harmonic radiation

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Alternating between open and short circuit
B	Steady full-scale reading
C	Increasing resistance with time
D	Decreasing resistance with time

30. - T8A06

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

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

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

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

32. - T8C06

How is over the air access to IRLP nodes accomplished?

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

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A special transmission format limited to video signals
B	An error correction method in which the receiving station detects errors and sends a request for retransmission
C	A method of compressing data using autonomous reiterative Q codes prior to final encoding
D	A system used to encrypt command signals to an amateur radio satellite

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A travelling-wave antenna
B	A vertically polarized antenna
C	A ground-wave antenna
D	A horizontally polarized antenna

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The ratio of amplifier power output to input
B	A measure of how well a load is matched to a transmission line
C	An indication of the quality of your station’s ground connection
D	The transmitter efficiency ratio