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

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1. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

SelectAnswer
AThe power supply ripple would greatly increase
BExcessive current could cause a fire
CThe larger fuse would be likely to blow because it is rated for higher current
DAll these choices are correct

2. - T0B10

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

SelectAnswer
ASharp bends must be avoided
BUse only non-insulated wire
CWires must be carefully routed with precise right-angle bends
DCommon grounds must be avoided

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

SelectAnswer
AAll these choices are correct
BBy calculation based on FCC OET Bulletin 65
CBy measurement of field strength using calibrated equipment
DBy calculation based on computer modeling

4. - T1A03

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

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

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

SelectAnswer
A100 watts
B1500 watts
C500 watts
D50 watts

6. - T1C01

For which license classes are new licenses currently available from the FCC?

SelectAnswer
ATechnician, General, Amateur Extra
BNovice, Technician Plus, General, Advanced
CNovice, Technician, General, Amateur Extra
DTechnician, Technician Plus, General, Amateur Extra

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

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
BWhen using automatic control, such as in the case of a repeater
CNever
DWhen the transmitting station is an auxiliary station

9. - T1F10

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

SelectAnswer
ABoth the originating station and the repeater owner
BThe control operator of the originating station
CThe owner of the repeater
DThe control operator of the repeater

10. - T2A07

What is meant by "repeater offset”?

SelectAnswer
AThe repeater has a time delay to prevent interference
BThe difference between a repeater’s transmit and receive frequencies
CThe number of simultaneous transmit frequencies used by a repeater
DThe repeater station identification is done on a separate frequency

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

SelectAnswer
AQTH
BQRN
CQRM
DQSB

12. - T2C11

What is meant by “check” in a radiogram header?

SelectAnswer
AThe number of words or word equivalents in the text portion of the message
BA list of stations that have relayed the message
CThe call sign of the originating station
DA box on the message form that indicates that the message was received and/or relayed

13. - T3A12

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

SelectAnswer
AAbsorption
BDeflection
CRange increase
DThere is little effect

14. - T3B09

What frequency range is referred to as UHF?

SelectAnswer
A300 to 3000 kHz
B30 to 300 kHz
C30 to 300 MHz
D300 to 3000 MHz

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

SelectAnswer
AFrom shortly after sunset to dawn during periods of high sunspot activity
BFrom dawn to shortly after sunset during periods of low sunspot activity
CFrom dawn to shortly after sunset during periods of high sunspot activity
DFrom shortly after sunset to dawn during periods of low sunspot activity

16. - T4A03

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

SelectAnswer
ATo avoid RF interference
BAll these choices are correct
CTo provide a good counterpoise for the antenna
DTo minimize voltage drop when transmitting

17. - T4B02

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

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

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
ACoulombs
BOhms
CMhos
DSiemens

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

SelectAnswer
A3 dB
B5 dB
C10 dB
D2 dB

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

SelectAnswer
A4.8 watts
B0.208 watts
C30 watts
D14.5 watts

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

SelectAnswer
A20 volts
B12 volts
C0.2 volts
D8 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

SelectAnswer
ACapacitance
BField strength
CResistance
DInductance

23. - T6B08

What does the abbreviation FET stand for?

SelectAnswer
AFrequency Emission Transmitter
BFast Electron Transistor
CFree Electron Transmitter
DField Effect Transistor

24. - T6C03

What is component 2 in figure T-1?

SelectAnswer
ATransistor
BConnector
CResistor
DIndicator lamp

25. - T6D10

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

SelectAnswer
ASupply electrical energy
BControl the flow of current
CConvert electrical energy into radio waves
DGive off light when current flows through it

26. - T7A08

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

SelectAnswer
AOscillation
BModulation
CImpedance matching
DLow-pass filtering

27. - T7B03

Which of the following can cause radio frequency interference?

SelectAnswer
AFundamental overload
BAll these choices are correct
CHarmonics
DSpurious emissions

28. - T7C08

Which instrument can be used to determine SWR?

SelectAnswer
AOhmmeter
BVoltmeter
CIambic pentameter
DDirectional wattmeter

29. - T7D10

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

SelectAnswer
ASteady full-scale reading
BIncreasing resistance with time
CDecreasing resistance with time
DAlternating between open and short circuit

30. - T8A01

Which of the following is a form of amplitude modulation?

SelectAnswer
ASingle sideband
BPacket radio
CSpread spectrum
DPhase shift keying (PSK)

31. - T8B07

What is Doppler shift in reference to satellite communications?

SelectAnswer
AA change in the satellite orbit
BA special digital communications mode for some satellites
CA mode where the satellite receives signals on one band and transmits on another
DAn observed change in signal frequency caused by relative motion between the satellite and Earth station

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

SelectAnswer
AA digipeater
BA beacon
CA gateway
DA repeater

33. - T8D07

Which of the following describes DMR?

SelectAnswer
AA digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
BAn automatic position tracking mode for FM mobiles communicating through repeaters
CA technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
DAn automatic computer logging technique for hands-off logging when communicating while operating a vehicle

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

SelectAnswer
AIt radiates at a very high angle
BIt has 10 times the power gain of a 1/4 wavelength whip
CIt has more gain than a 1/4-wavelength antenna
DIt eliminates distortion caused by reflected signals

35. - T9B07

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

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

Figure T-1