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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	All these choices are correct
B	Shorting the terminals can cause burns, fire, or an explosion
C	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
D	Touching both terminals with the hands can cause electrical shock

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Wires must be carefully routed with precise right-angle bends
B	Common grounds must be avoided
C	Sharp bends must be avoided
D	Use only non-insulated wire

3. - T0C01

What type of radiation are radio signals?

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

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 permanent station location from which the person plans to operate
C	One for each band on which the person plans to operate
D	One

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
B	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
C	902.0 MHz to 902.1 MHz
D	All these choices are correct

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From within any country that belongs to the International Telecommunication Union
B	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
C	From within any country that is a member of the United Nations
D	From any vessel or craft located in international waters and documented or registered in the United States

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	In all circumstances
B	Broadcasting
C	International Morse Code Practice
D	Telecommand or transmissions of telemetry

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The station licensee
B	The frequency coordinator
C	Any licensed operator
D	The FCC

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Amateur radio communications where three stations are in communications with one another

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report followed by your call sign
B	Transmit your call sign followed by the other station’s call sign
C	Transmit "CQ" followed by the other station’s call sign
D	Transmit the other station’s call sign followed by your call sign

11. - T2B08

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

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

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. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Polarization rotation
B	Amplification
C	Absorption
D	Knife-edge diffraction

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	3 to 30 MHz
B	300 to 3000 MHz
C	300 to 3000 kHz
D	30 to 300 MHz

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

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Steel wire
B	Twisted-pair cable
C	Flat copper strap
D	Copper braid removed from coaxial cable

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your output power
B	The codec type being used
C	All these choices are correct
D	Your call sign

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Amperes
B	Volts
C	Watt-hours
D	Watts

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3525 kHz
B	3,525,000 kHz
C	0.003525 kHz
D	35.25 kHz

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Resistance
B	Admittance
C	Inductance
D	Capacitance

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	11 volts
B	1 volt
C	9 volts
D	10 volts

22. - T6A06

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

Select	Answer
A	Varistor
B	Capacitor
C	Diode
D	Inductor

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Pentagrid converter
B	Alternator
C	Triode
D	Transistor

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Bill of materials
B	Flow chart
C	Schematic
D	Connector pinout

25. - T6D02

What is a relay?

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

26. - T7A09

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Spurious emissions
B	All these choices are correct
C	Harmonics
D	Fundamental overload

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To comply with FCC rules on spectral purity
B	Because power supplies cannot supply enough current at high SWR
C	To protect the output amplifier transistors
D	To lower the SWR on the transmission line

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	15 kHz
B	6 kHz
C	1 kHz
D	3 kHz

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	All these choices are correct
B	Check your signal strength report in the telemetry data
C	Your signal strength on the downlink should be about the same as the beacon
D	Listen for distortion on your downlink signal

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	IRLP
B	EchoLink
C	D-STAR
D	DMR

33. - T8D13

What is FT8?

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

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is added to the transmitter power
B	The increase in signal strength in a specified direction compared to a reference antenna
C	The additional power that is required in the antenna when transmitting on a higher frequency
D	The increase in impedance on receive or transmit compared to a reference antenna

35. - T9B04

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

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