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

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1. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

SelectAnswer
AIn series with the hot and neutral conductors
BIn parallel with the hot and neutral conductors
CIn parallel with the hot conductor only
DIn series with the hot conductor only

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

SelectAnswer
AWhen the work being done is not more than 20 feet above the ground
BWhen no electrical work is being performed
CNever
DWhen no mechanical work is being performed

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

SelectAnswer
ARelocate antennas
BRelocate the transmitter
CIncrease the duty cycle
DAll these choices are correct

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

SelectAnswer
AAll these choices are correct
BIt is required when in contact with foreign stations
CIt is required when transmitting emergency messages
DIt is encouraged

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

SelectAnswer
AAny amateur holding a General class or higher license
BAny amateur holding a Technician class or higher license who has applied for and received approval from NASA
CAny amateur holding a General class or higher license who has applied for and received approval from NASA
DAny amateur holding a Technician class or higher license

6. - T1C07

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

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

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

SelectAnswer
AAny country banned from making such communications by the American Radio Relay League (ARRL)
BAny country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
CAny country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
DAny country banned from such communications by the International Amateur Radio Union (IARU)

8. - T1E05

What is an amateur station’s control point?

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

9. - T1F01

When must the station and its records be available for FCC inspection?

SelectAnswer
AAt any time ten days after notification by the FCC of such an inspection
BOnly when presented with a valid warrant by an FCC official or government agent
CAt any time after written notification by the FCC of such inspection
DAt any time upon request by an FCC representative

10. - T2A06

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

SelectAnswer
AAll these choices are correct
BNotify the FCC of the transmissions
CIdentify the transmitting station
DConduct tests only between 10 p.m. and 6 a.m. local time

11. - T2B08

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

SelectAnswer
ABoth stations should choose another frequency to avoid conflict
BUse subaudible tones so both stations can share the frequency
CThe stations should negotiate continued use of the frequency
DInterference is inevitable, so no action is required

12. - T2C08

Which of the following is a characteristic of good traffic handling?

SelectAnswer
AMaking decisions as to whether messages are worthy of relay or delivery
BAll these choices are correct
CPassing messages exactly as received
DEnsuring that any newsworthy messages are relayed to the news media

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

SelectAnswer
ARange increase
BDeflection
CThere is little effect
DAbsorption

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

SelectAnswer
AWavelength in meters equals 300 divided by frequency in megahertz
BWavelength in meters equals frequency in hertz divided by 300
CWavelength in meters equals frequency in hertz multiplied by 300
DWavelength in meters equals frequency in megahertz divided by 300

15. - T3C11

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

SelectAnswer
AThe atmosphere refracts radio waves slightly
BRadio signals move somewhat faster than the speed of light
CRadio waves are not blocked by dust particles
DRadio waves are blocked by dust particles

16. - T4A01

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

SelectAnswer
A13.8 volts at 4 amperes
B24.0 volts at 12 amperes
C24.0 volts at 4 amperes
D13.8 volts at 12 amperes

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

SelectAnswer
ATurn up the audio level until it overcomes the squelch threshold
BTurn on the anti-squelch function
CSet the squelch threshold so that receiver output audio is on all the time
DEnable squelch enhancement

18. - T5A10

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

SelectAnswer
AResistance
BVoltage
CCurrent
DPower

19. - T5B04

Which is equal to one microvolt?

SelectAnswer
AOne thousand kilovolts
BOne million volts
COne one-thousandth of a volt
DOne one-millionth of a volt

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

SelectAnswer
A0.5 amperes
B2 amperes
C20,000 amperes
D100 amperes

22. - T6A02

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

SelectAnswer
APower resistor
BTransformer
CFixed resistor
DPotentiometer

23. - T6B07

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

SelectAnswer
AForward current
BCapacitively-coupled RF signal
CReverse current
DInductively-coupled RF signal

24. - T6C06

What is component 6 in figure T-2?

SelectAnswer
ARegulator IC
BTransistor
CResistor
DCapacitor

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

SelectAnswer
APhase inverter
BRegulator
CFilter
DOscillator

26. - T7A08

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

SelectAnswer
AOscillation
BModulation
CLow-pass filtering
DImpedance matching

27. - T7B02

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

SelectAnswer
AThe audio amplifier of the transmitter is overloaded
BThe deviation of an FM transmitter is set too low
CThe receiver is unable to reject strong signals outside the AM or FM band
DThe microphone gain of the transmitter is turned up too high

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

SelectAnswer
AFull Scale
B1:1
C50:50
DZero

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

SelectAnswer
AIn parallel
BIn phase
CIn series
DIn quadrature

30. - T8A08

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

SelectAnswer
A3 kHz
B15 kHz
C1 kHz
D6 kHz

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

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

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

SelectAnswer
ANet operations
BContesting
CPublic service events
DSimulated emergency exercises

33. - T8D12

Which of the following best describes an amateur radio mesh network?

SelectAnswer
AAn amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
BA satellite communications network using modified commercial satellite TV hardware
CAn internet linking protocol used to network repeaters
DA wide-bandwidth digital voice mode employing DMR protocols

34. - T9A03

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

SelectAnswer
AA travelling-wave antenna
BA horizontally polarized antenna
CA vertically polarized antenna
DA ground-wave antenna

35. - T9B01

What is a benefit of low SWR?

SelectAnswer
ALess antenna wear
BReduced television interference
CReduced signal loss
DAll these choices are correct

Figure T-2