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

2. - T0B01

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

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

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

SelectAnswer
AIt affects the average exposure to radiation
BIt takes into account the thermal effects of the final amplifier
CIt affects the peak exposure to radiation
DIt takes into account the antenna feed line loss

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 encouraged
CIt is required when in contact with foreign stations
DIt is required when transmitting emergency messages

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

SelectAnswer
ASo that modulation sidebands do not extend beyond the band edge
BAll these choices are correct
CTo allow for transmitter frequency drift
DTo allow for calibration error in the transmitter frequency display

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

SelectAnswer
AAs soon as you receive your license in the mail from the FCC
BImmediately on receiving your Certificate of Successful Completion of Examination (CSCE)
CAs soon as your operator/station license grant appears in the FCC’s license database
DAs soon as your operator/station license grant appears on the ARRL website

7. - T1D07

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

SelectAnswer
ARepeater, auxiliary, or space stations
BAuxiliary, beacon, or Earth stations
CBeacon, repeater, or space stations
DEarth, repeater, or space stations

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

SelectAnswer
AThe station licensee
BThe station custodian
CThe third party participant
DThe person operating the station equipment

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

SelectAnswer
ARepeater station
BBeacon station
CMessage forwarding station
DEarth station

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

SelectAnswer
APlus or minus 600 kHz
BPlus or minus 5 MHz
CPlus or minus 500 kHz
DPlus or minus 1 MHz

11. - T2B08

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

SelectAnswer
AUse subaudible tones so both stations can share the frequency
BThe stations should negotiate continued use of the frequency
CInterference is inevitable, so no action is required
DBoth stations should choose another frequency to avoid conflict

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

SelectAnswer
AYes, but only in situations involving the immediate safety of human life or protection of property
BYes, but only when part of a RACES emergency plan
CYes, but only when part of a FEMA emergency plan
DNo

13. - T3A12

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

SelectAnswer
ADeflection
BRange increase
CAbsorption
DThere is little effect

14. - T3B09

What frequency range is referred to as UHF?

SelectAnswer
A30 to 300 MHz
B30 to 300 kHz
C300 to 3000 MHz
D300 to 3000 kHz

15. - T3C11

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

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

16. - T4A02

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

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

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

SelectAnswer
AThe tone squelch
BThe RIT or Clarifier
CThe AGC or limiter
DThe bandwidth selection

18. - T5A01

Electrical current is measured in which of the following units?

SelectAnswer
AOhms
BAmperes
CWatts
DVolts

19. - T5B07

Which is equal to 3.525 MHz?

SelectAnswer
A0.003525 kHz
B3525 kHz
C35.25 kHz
D3,525,000 kHz

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D14

In which type of circuit is voltage the same across all components?

SelectAnswer
ABranch
BSeries
CParallel
DResonant

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B07

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

SelectAnswer
ACapacitively-coupled RF signal
BInductively-coupled RF signal
CForward current
DReverse current

24. - T6C10

What is component 3 in figure T-3?

SelectAnswer
AMeter
BConnector
CVariable capacitor
DVariable inductor

25. - T6D05

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

SelectAnswer
ARegulator
BFilter
CPhase inverter
DOscillator

26. - T7A10

What device increases the transmitted output power from a transceiver?

SelectAnswer
AAn RF power amplifier
BAn impedance network
CAll these choices are correct
DA voltage divider

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

SelectAnswer
AMake sure your station meets the standards of good amateur practice
BWork with your neighbor to identify the offending device
CAll these choices are correct
DPolitely inform your neighbor that FCC rules prohibit the use of devices that cause interference

28. - T7C05

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

SelectAnswer
ATo protect the output amplifier transistors
BBecause power supplies cannot supply enough current at high SWR
CTo comply with FCC rules on spectral purity
DTo lower the SWR on the transmission line

29. - T7D04

Which instrument is used to measure electric current?

SelectAnswer
AAn ammeter
BAn ohmmeter
CA voltmeter
DAn electrometer

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

SelectAnswer
ASSB
BDRM
CFM
DPM

31. - T8B12

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

SelectAnswer
AListen for distortion on your downlink signal
BCheck your signal strength report in the telemetry data
CYour signal strength on the downlink should be about the same as the beacon
DAll these choices are correct

32. - T8C10

What is required before using the EchoLink system?

SelectAnswer
ARegister your call sign and provide proof of license
BAll these choices are correct
CPurchase a license to use the EchoLink software
DComplete the required EchoLink training

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

SelectAnswer
AA frame compression scheme for TV signals
BA Normal Transmission mode in Static Circuit
CAn analog fast-scan color TV signal
DA special mode for satellite uplink

34. - T9A03

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

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

35. - T9B09

What can cause erratic changes in SWR?

SelectAnswer
AOver-modulation
BLoose connection in the antenna or feed line
CLocal thunderstorm
DOverload from a strong local station

Figure T-3