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

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1. - T0A11

What hazard exists in a power supply immediately after turning it off?

SelectAnswer
ALeakage flux in the power transformer
BVoltage transients from kickback diodes
CCharge stored in filter capacitors
DCirculating currents in the dc filter

2. - T0B01

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

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

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

SelectAnswer
A3.5 MHz
B1296 MHz
C50 MHz
D440 MHz

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

SelectAnswer
AAn emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
BA radio service using amateur stations for emergency management or civil defense communications
CAll these choices are correct
DA radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

SelectAnswer
A28.050 MHz to 28.150 MHz
B28.500 MHz to 28.600 MHz
C28.100 MHz to 28.300 MHz
D28.300 MHz to 28.500 MHz

6. - T1C09

What is the grace period for renewal if an amateur license expires?

SelectAnswer
AFive years
BTen years
CThree years
DTwo years

7. - T1D11

When may an amateur station transmit without identifying on the air?

SelectAnswer
AWhen the transmitted power level is below 1 watt
BWhen the transmissions are unmodulated
CWhen the transmissions are of a brief nature to make station adjustments
DWhen transmitting signals to control model craft

8. - T1E03

Who must designate the station control operator?

SelectAnswer
AAny licensed operator
BThe station licensee
CThe FCC
DThe frequency coordinator

9. - T1F03

When are you required to transmit your assigned call sign?

SelectAnswer
AAt least once during each transmission
BAt the beginning of each contact, and every 10 minutes thereafter
CAt least every 15 minutes during and at the end of a communication
DAt least every 10 minutes during and at the end of a communication

10. - T2A08

What is the meaning of the procedural signal “CQ”?

SelectAnswer
ACall on the quarter hour
BOnly the called station should transmit
CCalling any station
DTest transmission, no reply expected

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

SelectAnswer
AFor contest operation
BSo stations within range of each other can communicate without tying up a repeater
CSo stations with simple transmitters can access the repeater without automated offset
DFor working DX only

12. - T2C02

Which of the following are typical duties of a Net Control Station?

SelectAnswer
AAll these choices are correct
BCall the net to order and direct communications between stations checking in
CChoose the regular net meeting time and frequency
DEnsure that all stations checking into the net are properly licensed for operation on the net frequency

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

SelectAnswer
AThe mesosphere
BThe ionosphere
CThe stratosphere
DThe troposphere

14. - T3B02

What property of a radio wave defines its polarization?

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

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
AAll these choices are correct
B70 centimeters and 1.25 meters
C6 and 10 meters
D23 centimeters

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

SelectAnswer
AAt the 12 volt battery chassis ground
BTo any metal part of the vehicle
CAt the antenna mount
DThrough the transceiver’s mounting bracket

17. - T4B05

What does the scanning function of an FM transceiver do?

SelectAnswer
AChecks for messages left on a digital bulletin board
BPrevents interference to nearby repeaters
CChecks incoming signal deviation
DTunes through a range of frequencies to check for activity

18. - T5A01

Electrical current is measured in which of the following units?

SelectAnswer
AWatts
BVolts
CAmperes
DOhms

19. - T5B05

Which is equal to 500 milliwatts?

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

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

SelectAnswer
A23.8 watts
B138 watts
C0.7 watts
D3.8 watts

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

SelectAnswer
A8 ohms
B0.125 ohms
C18 ohms
D13.5 ohms

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

SelectAnswer
AFuse
BThyratron
CAll these choices are correct
DVaractor

23. - T6B07

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

SelectAnswer
AForward current
BReverse current
CInductively-coupled RF signal
DCapacitively-coupled RF signal

24. - T6C09

What is component 4 in figure T-2?

SelectAnswer
APotentiometer
BTransformer
CDouble-pole switch
DVariable inductor

25. - T6D03

Which of the following is a reason to use shielded wire?

SelectAnswer
ATo increase the current carrying capability of the wire
BTo decrease the resistance of DC power connections
CTo couple the wire to other signals
DTo prevent coupling of unwanted signals to or from the wire

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

SelectAnswer
ALinearity
BSelectivity
CSensitivity
DTotal Harmonic Distortion

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

SelectAnswer
ALet the transceiver cool off
BTalk louder into the microphone
CTalk farther away from the microphone
DChange to a higher power level

28. - T7C06

What does an SWR reading of 4:1 indicate?

SelectAnswer
AGain of +4 dB
BLoss of -4 dB
CGood impedance match
DImpedance mismatch

29. - T7D11

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

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

SelectAnswer
ASSB
BAM
CPSK
DFM or PM

31. - T8B11

Who may receive telemetry from a space station?

SelectAnswer
AA licensed radio amateur who has registered for an access code from AMSAT
BAnyone
CA licensed radio amateur who has been certified by the protocol developer
DA licensed radio amateur with a transmitter equipped for interrogating the satellite

32. - T8C10

What is required before using the EchoLink system?

SelectAnswer
AAll these choices are correct
BComplete the required EchoLink training
CRegister your call sign and provide proof of license
DPurchase a license to use the EchoLink software

33. - T8D03

What kind of data can be transmitted by APRS?

SelectAnswer
AGPS position data
BWeather data
CAll these choices are correct
DText messages

34. - T9A11

What is antenna gain?

SelectAnswer
AThe additional power that is added to the transmitter power
BThe increase in impedance on receive or transmit compared to a reference antenna
CThe increase in signal strength in a specified direction compared to a reference antenna
DThe additional power that is required in the antenna when transmitting on a higher frequency

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

SelectAnswer
AIt has less loss than any other type of feed line
BIt is less expensive than any other type of feed line
CIt can handle more power than any other type of feed line
DIt is easy to use and requires few special installation considerations

Figure T-2