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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?

SelectAnswer
AAt the output connector of a transceiver
BAt the antenna feed point
COn a grounded panel near where feed lines enter the building
DAt the ac power service panel

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

SelectAnswer
AProvide a ground path for lightning strikes
BSecure the guy line if the turnbuckle breaks
CProvide an ability to measure for proper tensioning
DPrevent loosening of the turnbuckle from vibration

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

SelectAnswer
A1296 MHz
B3.5 MHz
C50 MHz
D440 MHz

4. - T1A06

What is the FCC Part 97 definition of a beacon?

SelectAnswer
AA government transmitter marking the amateur radio band edges
BA bulletin sent by the FCC to announce a national emergency
CA continuous transmission of weather information authorized in the amateur bands by the National Weather Service
DAn amateur station transmitting communications for the purposes of observing propagation or related experimental activities

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

SelectAnswer
A10 watts
B200 watts
C50 watts
D100 watts

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. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

SelectAnswer
AWhen the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
BWhen no profit is made on the sale
CNever
DWhen selling amateur radio equipment and not on a regular basis

8. - T1E01

When may an amateur station transmit without a control operator?

SelectAnswer
AWhen the station licensee is away and another licensed amateur is using the station
BNever
CWhen the transmitting station is an auxiliary station
DWhen using automatic control, such as in the case of a repeater

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
BAt any time upon request by an FCC representative
CAt any time after written notification by the FCC of such inspection
DOnly when presented with a valid warrant by an FCC official or government agent

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

SelectAnswer
ASay the station's call sign, then identify with your call sign
BWait for the station to call CQ, then answer
CSay "CQ" three times, then the other station's call sign
DSay "break, break," then say the station's call sign

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
ACTCSS
BDTMF
CTone burst
DCarrier squelch

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

SelectAnswer
AA group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
BA group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
CA training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
DA training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

SelectAnswer
AReceived signal strength is reduced
BSignals have an echo effect
CThe modulation sidebands might become inverted
DNothing significant will happen

14. - T3B04

What is the velocity of a radio wave traveling through free space?

SelectAnswer
ASpeed inversely proportional to its wavelength
BSpeed of sound
CSpeed of light
DSpeed that increases as the frequency increases

15. - T3C11

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

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

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

SelectAnswer
AThe distance that the meter will be located from the antenna
BAll these choices are correct
CThe types of modulation being used at the station
DThe frequency and power level at which the measurements will be made

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

SelectAnswer
AThe CTCSS or DTMF encoder
BThe keypad or VFO knob
CThe Automatic Frequency Control
DAll these choices are correct

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
ASiemens
BMhos
CCoulombs
DOhms

19. - T5B07

Which is equal to 3.525 MHz?

SelectAnswer
A3525 kHz
B35.25 kHz
C3,525,000 kHz
D0.003525 kHz

20. - T5C05

What is the unit of impedance?

SelectAnswer
AThe ohm
BThe coulomb
CThe ampere
DThe volt

21. - T5D13

In which type of circuit is DC current the same through all components?

SelectAnswer
AResonant
BBranch
CSeries
DParallel

22. - T6A08

What is the function of an SPDT switch?

SelectAnswer
AA single circuit is opened or closed
BA single circuit is switched between one of two other circuits
CTwo circuits are opened or closed
DTwo circuits are each switched between one of two other circuits

23. - T6B01

Which is true about forward voltage drop in a diode?

SelectAnswer
AIt is lower in some diode types than in others
BIt indicates that the diode is defective
CIt has no impact on the voltage delivered to the load
DIt is proportional to peak inverse voltage

24. - T6C12

Which of the following is accurately represented in electrical schematics?

SelectAnswer
APhysical appearance of components
BComponent connections
CWire lengths
DAll these choices are correct

25. - T6D11

Which of the following is a resonant or tuned circuit?

SelectAnswer
AA linear voltage regulator
BA circuit designed to provide high-fidelity audio
CA resistor circuit used for reducing standing wave ratio
DAn inductor and a capacitor in series or parallel

26. - T7A11

Where is an RF preamplifier installed?

SelectAnswer
AAt the output of the transmitter power amplifier
BBetween the antenna and receiver
CBetween the transmitter and the antenna tuner
DAt the output of the receiver audio amplifier

27. - T7B03

Which of the following can cause radio frequency interference?

SelectAnswer
AFundamental overload
BHarmonics
CSpurious emissions
DAll these choices are correct

28. - T7C09

Which of the following causes failure of coaxial cables?

SelectAnswer
ARapid fluctuation in transmitter output power
BOperation at 100% duty cycle for an extended period
CSolder flux contamination
DMoisture contamination

29. - T7D04

Which instrument is used to measure electric current?

SelectAnswer
AAn electrometer
BAn ohmmeter
CAn ammeter
DA voltmeter

30. - T8A01

Which of the following is a form of amplitude modulation?

SelectAnswer
APhase shift keying (PSK)
BPacket radio
CSingle sideband
DSpread spectrum

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. - T8C06

How is over the air access to IRLP nodes accomplished?

SelectAnswer
ABy entering the proper internet password
BBy obtaining a password that is sent via voice to the node
CBy using DTMF signals
DBy using CTCSS tone codes

33. - T8D05

Which of the following is an application of APRS?

SelectAnswer
AProviding voice over internet connection between repeaters
BProviding real-time tactical digital communications in conjunction with a map showing the locations of stations
CShowing automatically the number of packets transmitted via PACTOR during a specific time interval
DProviding information on the number of stations signed into a repeater

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

SelectAnswer
A19
B112
C50
D12

35. - T9B07

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

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