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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A02

What health hazard is presented by electrical current flowing through the body?

SelectAnswer
AAll these choices are correct
BIt may disrupt the electrical functions of cells
CIt may cause injury by heating tissue
DIt may cause involuntary muscle contractions

2. - T0B01

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

SelectAnswer
AMake sure all ground wire bends are right angles
BPut a drip loop in the ground connection to prevent water damage to the ground system
CEnsure that connections are short and direct
DAll these choices are correct

3. - T0C05

Why do exposure limits vary with frequency?

SelectAnswer
ALower frequency RF fields do not penetrate the human body
BHigher frequency RF fields are transient in nature
CThe human body absorbs more RF energy at some frequencies than at others
DLower frequency RF fields have more energy than higher frequency fields

4. - T1A01

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

SelectAnswer
AAll these choices are correct
BAdvancing skills in the technical and communication phases of the radio art
CProviding communications for international non-profit organizations
DProviding personal radio communications for as many citizens as possible

5. - T1B04

Which amateur band includes 146.52 MHz?

SelectAnswer
A70 centimeters
B20 meters
C2 meters
D6 meters

6. - T1C07

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

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

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

SelectAnswer
AAuxiliary, beacon, or Earth stations
BRepeater, auxiliary, or space stations
CEarth, repeater, or space stations
DBeacon, repeater, or space stations

8. - T1E05

What is an amateur station’s control point?

SelectAnswer
AThe location of the station’s transmitting apparatus
BThe location at which the control operator function is performed
CThe mailing address of the station licensee
DThe location of the station’s transmitting antenna

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

SelectAnswer
AKL7CC stroke W3
BKL7CC slant W3
CAll these choices are correct
DKL7CC slash W3

10. - T2A08

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

SelectAnswer
ACall on the quarter hour
BOnly the called station should transmit
CTest transmission, no reply expected
DCalling any station

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

SelectAnswer
ADTMF
BCTCSS
CCarrier squelch
DTone burst

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

SelectAnswer
AWhen operating under special FEMA rules
BWhen operating a RACES station
CWhen operating under special ARES rules
DFCC rules always apply

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

SelectAnswer
AIntermodulation distortion
BRandom combining of signals arriving via different paths
CInterference from thunderstorms
DFrequency shift due to Faraday rotation

14. - T3B11

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

SelectAnswer
A300,000,000 meters per second
B150,000 miles per hour
C300,000,000 miles per hour
D150,000 meters per second

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

SelectAnswer
AHF accommodates wider bandwidth signals
BLong-distance ionospheric propagation is far more common on HF
CThere is less atmospheric interference (static) on HF
DHF antennas are generally smaller

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

SelectAnswer
ADivide the watt-hour rating of the battery by the peak power consumption of the equipment
BDivide the battery ampere-hour rating by the average current draw of the equipment
CMultiply the watts per hour consumed by the equipment by the battery power rating
DMultiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

SelectAnswer
AEnable the frequency offset
BStore it in a memory channel
CEnable the VOX
DUse the scan mode to select the desired frequency

18. - T5A10

Which term describes the rate at which electrical energy is used?

SelectAnswer
APower
BCurrent
CVoltage
DResistance

19. - T5B07

Which is equal to 3.525 MHz?

SelectAnswer
A3,525,000 kHz
B0.003525 kHz
C3525 kHz
D35.25 kHz

20. - T5C06

What does the abbreviation “RF” mean?

SelectAnswer
AThe resonant frequency of a tuned circuit
BRadio frequency signals of all types
CThe real frequency transmitted as opposed to the apparent frequency
DReflective force in antenna transmission lines

21. - T5D07

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

SelectAnswer
A9600 amperes
B200 amperes
C0.667 amperes
D1.5 amperes

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

SelectAnswer
ACapacitor
BOscillator
CPotentiometer
DResistor

23. - T6B05

What type of transistor has a gate, drain, and source?

SelectAnswer
ABipolar junction
BVaristor
CField-effect
DTesla-effect

24. - T6C12

Which of the following is accurately represented in electrical schematics?

SelectAnswer
APhysical appearance of components
BWire lengths
CAll these choices are correct
DComponent connections

25. - T6D10

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

SelectAnswer
ASupply electrical energy
BConvert electrical energy into radio waves
CGive off light when current flows through it
DControl the flow of current

26. - T7A09

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

SelectAnswer
AChange the mode of the transmitted signal
BReduce the received signal noise
CChange the frequency range of the amplifier to operate in the proper segment of the band
DSet the amplifier for proper operation in the selected mode

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

SelectAnswer
AMake sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
BImmediately turn off your transmitter and contact the nearest FCC office for assistance
CAll these choices are correct
DInstall a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C07

What happens to power lost in a feed line?

SelectAnswer
AIt is converted into heat
BIt is radiated as harmonics
CIt increases the SWR
DIt distorts the signal

29. - T7D11

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

SelectAnswer
AEnsure that the circuit is not powered
BEnsure that the circuit is grounded
CEnsure that the circuit is operating at the correct frequency
DEnsure that the applied voltages are correct

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

SelectAnswer
ALess than 500 Hz
BBetween 10 and 15 kHz
CAbout 150 kHz
DBetween 50 and 125 kHz

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

SelectAnswer
AThe signal strength of received signals
BAll these choices are correct
CHealth and status of the satellite
DTime of day accurate to plus or minus 1/10 second

32. - T8C10

What is required before using the EchoLink system?

SelectAnswer
AAll these choices are correct
BComplete the required EchoLink training
CRegister your call sign and provide proof of license
DPurchase a license to use the EchoLink software

33. - T8D11

What is an ARQ transmission system?

SelectAnswer
AA special transmission format limited to video signals
BA system used to encrypt command signals to an amateur radio satellite
CAn error correction method in which the receiving station detects errors and sends a request for retransmission
DA method of compressing data using autonomous reiterative Q codes prior to final encoding

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

SelectAnswer
ASignal strength is reduced due to the shielding effect of the vehicle
BAll these choices are correct
CThe bandwidth of the antenna will decrease, increasing SWR
DThe SWR might decrease, decreasing the signal strength

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

SelectAnswer
AThey are watertight
BThey are a bayonet-type connector
CThey are preferred for microwave operation
DThey are commonly used at HF and VHF frequencies

Figure T-1