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

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1. - T0A06

What is a good way to guard against electrical shock at your station?

SelectAnswer
AConnect all AC powered station equipment to a common safety ground
BAll these choices are correct
CUse three-wire cords and plugs for all AC powered equipment
DInstall mechanical interlocks in high-voltage circuits

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

SelectAnswer
AEnough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
BAdd the height of the antenna to the height of the power line and multiply by a factor of 1.5
C1/2 wavelength at the operating frequency
DThe height of the power line above ground

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

SelectAnswer
AIncrease the duty cycle
BRelocate the transmitter
CAll these choices are correct
DRelocate antennas

4. - T1A11

When is willful interference to other amateur radio stations permitted?

SelectAnswer
AAt any time, stations in the Amateur Radio Service are not protected from willful interference
BWhen making short test transmissions
CAt no time
DTo stop another amateur station that is breaking the FCC rules

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

SelectAnswer
AAll these choices are correct
B50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
C902.0 MHz to 902.1 MHz
D219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

SelectAnswer
AYes, for up to two years
BYes, for up to one year
CNo, you must wait until the license has been renewed
DYes, as soon as you apply for renewal

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

SelectAnswer
AWhen such communications are directly related to the immediate safety of human life or protection of property
BWhen broadcasting communications to or from the space shuttle
CNever
DWhere noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

SelectAnswer
AAll licensed amateurs who are present at the operation
BOnly the station licensee
CThe control operator and the station licensee
DOnly the control operator

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

SelectAnswer
AAll these choices are correct
BThe trustee must have an Amateur Extra Class operator license grant
CThe club must have at least four members
DThe club must be registered with the American Radio Relay League

10. - T2A05

How should you respond to a station calling CQ?

SelectAnswer
ATransmit a signal report followed by your call sign
BTransmit "CQ" followed by the other station’s call sign
CTransmit the other station’s call sign followed by your call sign
DTransmit your call sign followed by the other station’s call sign

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

SelectAnswer
ASign your call after the courtesy tone
BRegister your radio with the local FCC office
CProgram your radio with the group’s ID or code
DJoin the repeater owner’s club

12. - T2C03

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

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

13. - T3A03

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

SelectAnswer
AHorizontal
BVertical
CLeft-hand circular
DRight-hand circular

14. - T3B02

What property of a radio wave defines its polarization?

SelectAnswer
AThe ratio of the velocity to the wavelength
BThe orientation of the magnetic field
CThe orientation of the electric field
DThe ratio of the energy in the magnetic field to the energy in the electric field

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
BRadio waves are blocked by dust particles
CRadio waves are not blocked by dust particles
DThe atmosphere refracts radio waves slightly

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

SelectAnswer
AMultiply the watts per hour consumed by the equipment by the battery power rating
BDivide the watt-hour rating of the battery by the peak power consumption of the equipment
CDivide the battery ampere-hour rating by the average current draw of the equipment
DMultiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

SelectAnswer
AThe codec type being used
BAll these choices are correct
CYour call sign
DYour output power

18. - T5A11

What type of current flow is opposed by resistance?

SelectAnswer
ARF current
BAll these choices are correct
CDirect current
DAlternating current

19. - T5B05

Which is equal to 500 milliwatts?

SelectAnswer
A5 watts
B50 watts
C0.02 watts
D0.5 watts

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
C14.5 watts
D30 watts

21. - T5D07

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

SelectAnswer
A200 amperes
B1.5 amperes
C0.667 amperes
D9600 amperes

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

SelectAnswer
ATriode
BTransistor
CAlternator
DPentagrid converter

24. - T6C12

Which of the following is accurately represented in electrical schematics?

SelectAnswer
AAll these choices are correct
BComponent connections
CPhysical appearance of components
DWire lengths

25. - T6D05

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

SelectAnswer
APhase inverter
BRegulator
COscillator
DFilter

26. - T7A07

What is the function of a transceiver’s PTT input?

SelectAnswer
ASwitches transceiver from receive to transmit when grounded
BInput for a preamplifier tuning tone
CProvides a transmit tuning tone when grounded
DInput for a key used to send CW

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

SelectAnswer
ASwitch the transmitter to a narrow-band mode
BSwitch the transmitter from FM to SSB
CBlock the interfering signal with a filter on the amateur transmitter
DBlock the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C09

Which of the following causes failure of coaxial cables?

SelectAnswer
AMoisture contamination
BSolder flux contamination
COperation at 100% duty cycle for an extended period
DRapid fluctuation in transmitter output power

29. - T7D10

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

SelectAnswer
AAlternating between open and short circuit
BSteady full-scale reading
CIncreasing resistance with time
DDecreasing resistance with time

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

SelectAnswer
ALess than 500 Hz
BBetween 10 and 15 kHz
CAbout 150 kHz
DBetween 50 and 125 kHz

31. - T8B06

Which of the following are inputs to a satellite tracking program?

SelectAnswer
AThe last observed time of zero Doppler shift
BThe Keplerian elements
CThe satellite transmitted power
DAll these choices are correct

32. - T8C06

How is over the air access to IRLP nodes accomplished?

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

33. - T8D06

What does the abbreviation "PSK" mean?

SelectAnswer
APacket Short Keying
BPulse Shift Keying
CPhase Shift Keying
DPhased Slide Keying

34. - T9A10

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

SelectAnswer
ABroadside to the antenna
BIn the direction of the feed line
COff the ends of the antenna
DEqually in all directions

35. - T9B08

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

SelectAnswer
AWater intrusion into coaxial connectors
BMultiple connectors in the line
CAll these choices are correct
DHigh SWR