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

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1. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

SelectAnswer
AInverse memory effect
BHalf-wave rectification
COverheating or out-gassing
DExcess output ripple

2. - T0B02

What is required when climbing an antenna tower?

SelectAnswer
AUse appropriate tie-off to the tower at all times
BHave sufficient training on safe tower climbing techniques
CAlways wear an approved climbing harness
DAll these choices are correct

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

SelectAnswer
AThe local zoning board
BThe station licensee
CAnyone who is near an antenna
DThe FCC

4. - T1A09

Who selects a Frequency Coordinator?

SelectAnswer
AFCC Regional Field Office
BThe local chapter of the Office of National Council of Independent Frequency Coordinators
CAmateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
DThe FCC Office of Spectrum Management and Coordination Policy

5. - T1B09

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

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

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

SelectAnswer
AFrom within any country that is a member of the United Nations
BFrom within any country that belongs to the International Telecommunication Union
CFrom any vessel or craft located in international waters and documented or registered in the United States
DFrom anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

SelectAnswer
ATwo-way transmissions by amateur stations
BAny transmission made by the licensed station
CTransmission of messages directed only to amateur operators
DTransmissions intended for reception by the general public

8. - T1E03

Who must designate the station control operator?

SelectAnswer
AThe FCC
BThe station licensee
CThe frequency coordinator
DAny licensed operator

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

SelectAnswer
AEnglish, French, or Spanish
BAny language recognized by the ITU
CEnglish
DAny language recognized by the United Nations

10. - T2A06

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

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

11. - T2B06

What type of signaling uses pairs of audio tones?

SelectAnswer
ACTCSS
BDTMF
CGPRS
DD-STAR

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
BEnsuring that any newsworthy messages are relayed to the news media
CAll these choices are correct
DPassing messages exactly as received

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

SelectAnswer
ABoth the transmitting and receiving antennas must be of the same polarization
BDigital modes are unusable
CEither vertically or horizontally polarized antennas may be used for transmission or reception
DFM voice is unusable

14. - T3B06

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

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

SelectAnswer
A70 centimeters and 1.25 meters
B23 centimeters
C6 and 10 meters
DAll these choices are correct

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

SelectAnswer
ARTTY encoding and decoding without a computer
BCommunication using digital voice or data systems via the internet
CHigh-speed digital communications for meteor scatter
DFT8 digital communications via AFSK

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

SelectAnswer
A2400 Hz
B1000 Hz
C5000 Hz
D500 Hz

18. - T5A02

Electrical power is measured in which of the following units?

SelectAnswer
AWatt-hours
BAmperes
CVolts
DWatts

19. - T5B01

How many milliamperes is 1.5 amperes?

SelectAnswer
A150 milliamperes
B15,000 milliamperes
C1500 milliamperes
D15 milliamperes

20. - T5C05

What is the unit of impedance?

SelectAnswer
AThe ampere
BThe coulomb
CThe ohm
DThe volt

21. - T5D07

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

SelectAnswer
A1.5 amperes
B0.667 amperes
C9600 amperes
D200 amperes

22. - T6A05

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

SelectAnswer
AResistor
BCapacitor
COscillator
DPotentiometer

23. - T6B01

Which is true about forward voltage drop in a diode?

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

24. - T6C10

What is component 3 in figure T-3?

SelectAnswer
AConnector
BMeter
CVariable inductor
DVariable capacitor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

SelectAnswer
AMeter
BRelay
CTransistor
DPotentiometer

26. - T7A09

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

SelectAnswer
AReduce the received signal noise
BSet the amplifier for proper operation in the selected mode
CChange the mode of the transmitted signal
DChange the frequency range of the amplifier to operate in the proper segment of the band

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

SelectAnswer
AInstalling a band-reject filter
BUsing double-shielded coaxial cable
CInstalling an RF preamplifier
DInstalling bypass capacitors on the microphone cable

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D11

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

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

SelectAnswer
AInverted sideband
BSuppressed sideband
CUpper sideband
DLower sideband

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

SelectAnswer
ASSB
BAll these choices are correct
CCW/data
DFM

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

SelectAnswer
ASign only the last two letters of your call if there are many other stations calling
BSend only the minimum information needed for proper identification and the contest exchange
CAll these choices are correct
DContact the station twice to be sure that you are in his log

33. - T8D04

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

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

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

SelectAnswer
AOff the ends of the antenna
BIn the direction of the feed line
CBroadside to the antenna
DEqually in all directions

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

SelectAnswer
AMultiple connectors in the line
BWater intrusion into coaxial connectors
CHigh SWR
DAll these choices are correct

Figure T-3