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

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1. - T0A02

What health hazard is presented by electrical current flowing through the body?

SelectAnswer
AAll these choices are correct
BIt may disrupt the electrical functions of cells
CIt may cause involuntary muscle contractions
DIt may cause injury by heating tissue

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

SelectAnswer
ASharp bends must be avoided
BUse only non-insulated wire
CCommon grounds must be avoided
DWires must be carefully routed with precise right-angle bends

3. - T0C07

What hazard is created by touching an antenna during a transmission?

SelectAnswer
AAll these choices are correct
BElectrocution
CRadiation poisoning
DRF burn to skin

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 personal radio communications for as many citizens as possible
CProviding communications for international non-profit organizations
DAdvancing skills in the technical and communication phases of the radio art

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

SelectAnswer
AFixed digital message forwarding systems only
BFast-scan television only
CSpread spectrum only
DEmergency traffic only

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

SelectAnswer
AOnly communications incidental to contest exchanges; all other communications are prohibited
BAny communications that would be permitted by an international broadcast station
CCommunications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
DCommunications incidental to conducting business or remarks of a personal nature

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

SelectAnswer
AAny country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
BAny country banned from making such communications by the American Radio Relay League (ARRL)
CAny country banned from such communications by the International Amateur Radio Union (IARU)
DAny country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

8. - T1E08

Which of the following is an example of automatic control?

SelectAnswer
AUsing a computer or other device to identify automatically
BRepeater operation
CControlling a station over the internet
DUsing a computer or other device to send CW automatically

9. - T1F03

When are you required to transmit your assigned call sign?

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

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. - T2B06

What type of signaling uses pairs of audio tones?

SelectAnswer
ADTMF
BD-STAR
CGPRS
DCTCSS

12. - T2C02

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

SelectAnswer
AChoose the regular net meeting time and frequency
BAll these choices are correct
CCall the net to order and direct communications between stations checking in
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 stratosphere
BThe mesosphere
CThe troposphere
DThe ionosphere

14. - T3B02

What property of a radio wave defines its polarization?

SelectAnswer
AThe ratio of the velocity to the wavelength
BThe orientation of the electric field
CThe ratio of the energy in the magnetic field to the energy in 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
A70 centimeters and 1.25 meters
BAll these choices are correct
C6 and 10 meters
D23 centimeters

16. - T4A11

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

SelectAnswer
AThrough the transceiver’s mounting bracket
BAt the antenna mount
CTo any metal part of the vehicle
DAt the 12 volt battery chassis ground

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

SelectAnswer
AStore it in a memory channel
BUse the scan mode to select the desired frequency
CEnable the frequency offset
DEnable the VOX

18. - T5A11

What type of current flow is opposed by resistance?

SelectAnswer
ADirect current
BAlternating current
CRF current
DAll these choices are correct

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

SelectAnswer
A18 dB
B28 dB
C10 dB
D12 dB

20. - T5C04

What is the unit of inductance?

SelectAnswer
AThe henry
BThe coulomb
CThe ohm
DThe farad

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

SelectAnswer
A9 volts
B10 volts
C11 volts
D1 volt

22. - T6A09

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

SelectAnswer
AFuse
BVaractor
CAll these choices are correct
DThyratron

23. - T6B07

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

SelectAnswer
ACapacitively-coupled RF signal
BForward current
CReverse current
DInductively-coupled RF signal

24. - T6C07

What is component 8 in figure T-2?

SelectAnswer
AInductor
BResistor
CRegulator IC
DLight emitting diode

25. - T6D11

Which of the following is a resonant or tuned circuit?

SelectAnswer
AA circuit designed to provide high-fidelity audio
BA resistor circuit used for reducing standing wave ratio
CAn inductor and a capacitor in series or parallel
DA linear voltage regulator

26. - T7A07

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

SelectAnswer
AInput for a key used to send CW
BSwitches transceiver from receive to transmit when grounded
CInput for a preamplifier tuning tone
DProvides a transmit tuning tone when grounded

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

SelectAnswer
AInstall a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
BMake sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
CAll these choices are correct
DImmediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

SelectAnswer
AUltraviolet resistant jackets prevent harmonic radiation
BUltraviolet light can damage the jacket and allow water to enter the cable
CUltraviolet light can increase losses in the cable’s jacket
DUltraviolet and RF signals can mix, causing interference

29. - T7D06

Which of the following can damage a multimeter?

SelectAnswer
ANot allowing it to warm up properly
BFailing to connect one of the probes to ground
CAttempting to measure voltage when using the resistance setting
DAttempting to measure resistance using the voltage setting

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

SelectAnswer
AAll these choices are correct
BOnly one signal can be received at a time
CVoice quality is poorer
DFM signals are harder to tune

31. - T8B12

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

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

32. - T8C04

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

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

33. - T8D09

What is CW?

SelectAnswer
AA type of electromagnetic propagation
BA technique for coil winding
CAnother name for a Morse code transmission
DA digital mode used primarily on 2 meter FM

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

SelectAnswer
AAll these choices are correct
BThe bandwidth of the antenna will decrease, increasing SWR
CThe SWR might decrease, decreasing the signal strength
DSignal strength is reduced due to the shielding effect of the vehicle

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

SelectAnswer
AIt automatically selects the proper antenna for the frequency band being used
BIt helps a receiver automatically tune in weak stations
CIt allows an antenna to be used on both transmit and receive
DIt matches the antenna system impedance to the transceiver's output impedance

Figure T-2