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

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1. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

SelectAnswer
ANeutral
BBlack insulation is never used
CHot
DEquipment ground

2. - T0B01

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

SelectAnswer
AMake sure all ground wire bends are right angles
BEnsure that connections are short and direct
CPut a drip loop in the ground connection to prevent water damage to the ground system
DAll these choices are correct

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

SelectAnswer
AThe difference between the lowest power output and the highest power output of a transmitter
BThe percentage of time that a transmitter is not transmitting
CThe difference between the PEP and average power output of a transmitter
DThe percentage of time that a transmitter is transmitting

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

SelectAnswer
AAll these choices are correct
BProviding communications for international non-profit organizations
CAdvancing skills in the technical and communication phases of the radio art
DProviding personal radio communications for as many citizens as possible

5. - T1B03

Which frequency is in the 6 meter amateur band?

SelectAnswer
A28.50 MHz
B222.15 MHz
C52.525 MHz
D49.00 MHz

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

SelectAnswer
AOnly a licensed amateur with an Amateur Extra Class license
BOnly a licensed amateur with a General or Amateur Extra Class license
COnly a licensed amateur who has been licensed continuously for more than 10 years
DAny licensed amateur

7. - T1D07

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

SelectAnswer
AAuxiliary, beacon, or Earth stations
BBeacon, repeater, or space stations
CRepeater, auxiliary, or space stations
DEarth, repeater, or space stations

8. - T1E09

Which of the following are required for remote control operation?

SelectAnswer
AAll these choices are correct
BThe control operator must indirectly manipulate the controls
CA control operator is required at all times
DThe control operator must be at the control point

9. - T1F10

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

SelectAnswer
AThe owner of the repeater
BThe control operator of the originating station
CThe control operator of the repeater
DBoth the originating station and the repeater owner

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

11. - T2B11

Which Q signal indicates that you are changing frequency?

SelectAnswer
AQSL
BQRU
CQSY
DQRZ

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

SelectAnswer
ASend the words by voice and Morse code
BAll these choices are correct
CSpeak very loudly into the microphone
DSpell the words using a standard phonetic alphabet

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

SelectAnswer
AHorizontal
BLeft-hand circular
CVertical
DRight-hand circular

14. - T3B05

What is the relationship between wavelength and frequency?

SelectAnswer
AWavelength and frequency are unrelated
BWavelength gets shorter as frequency increases
CWavelength and frequency increase as path length increases
DWavelength gets longer as frequency increases

15. - T3C08

What causes tropospheric ducting?

SelectAnswer
ASunspots and solar flares
BDischarges of lightning during electrical storms
CUpdrafts from hurricanes and tornadoes
DTemperature inversions in the atmosphere

16. - T4A03

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

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

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
BSet the squelch threshold so that receiver output audio is on all the time
CEnable squelch enhancement
DTurn on the anti-squelch function

18. - T5A07

Why are metals generally good conductors of electricity?

SelectAnswer
AThey have many free protons
BThey have many free electrons
CAll these choices are correct
DThey have relatively high density

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C01

What describes the ability to store energy in an electric field?

SelectAnswer
AInductance
BCapacitance
CTolerance
DResistance

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

SelectAnswer
A2.5 volts
B0.25 volts
C1 volt
D1.5 volts

22. - T6A11

Which of the following battery chemistries is not rechargeable?

SelectAnswer
ALead-acid
BLithium-ion
CCarbon-zinc
DNickel-cadmium

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

SelectAnswer
AForward voltage drop
BOn resistance
CForward resistance
DGain

24. - T6C02

What is component 1 in figure T-1?

SelectAnswer
AResistor
BTransistor
CBattery
DConnector

25. - T6D10

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

SelectAnswer
AConvert electrical energy into radio waves
BSupply electrical energy
CControl the flow of current
DGive off light when current flows through it

26. - T7A10

What device increases the transmitted output power from a transceiver?

SelectAnswer
AAn RF power amplifier
BA voltage divider
CAll these choices are correct
DAn impedance network

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

SelectAnswer
AAdd a low-pass filter to the TV antenna input
BAdd a preamplifier to the TV antenna input
CAdd a high-pass filter to the TV antenna input
DBe sure all TV feed line coaxial connectors are installed properly

28. - T7C09

Which of the following causes failure of coaxial cables?

SelectAnswer
AOperation at 100% duty cycle for an extended period
BSolder flux contamination
CRapid fluctuation in transmitter output power
DMoisture contamination

29. - T7D01

Which instrument would you use to measure electric potential?

SelectAnswer
AAn ammeter
BAn ohmmeter
CA voltmeter
DA wavemeter

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

SelectAnswer
AMore than 10 MHz
BAbout 1 MHz
CAbout 3 MHz
DAbout 6 MHz

31. - T8B10

What is a LEO satellite?

SelectAnswer
AA sun synchronous satellite
BA satellite in low earth orbit
CA satellite in low energy operation mode
DA highly elliptical orbit satellite

32. - T8C11

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

SelectAnswer
AA digipeater
BA repeater
CA gateway
DA beacon

33. - T8D01

Which of the following is a digital communications mode?

SelectAnswer
APacket radio
BIEEE 802.11
CAll these choices are correct
DFT8

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

SelectAnswer
AIt is mechanically fragile
BIt has low efficiency
CIt transmits only circularly polarized signals
DAll these choices are correct

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

SelectAnswer
AUHF (PL-259/SO-239)
BDB-25
CType N
DRS-213

Figure T-1