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

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1. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

SelectAnswer
AIn series with the hot conductor only
BIn series with the hot and neutral conductors
CIn parallel with the hot and neutral conductors
DIn parallel with the hot conductor only

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

SelectAnswer
AWhen no electrical work is being performed
BWhen the work being done is not more than 20 feet above the ground
CNever
DWhen no mechanical work is being performed

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

SelectAnswer
AAll these choices are correct
BBy making sure your antennas have low SWR
CBy informing the FCC of any changes made in your station
DBy re-evaluating the station whenever an item in the transmitter or antenna system is changed

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

SelectAnswer
AInternational Telecommunication Union
BVolunteer Frequency Coordinator recognized by local amateurs
CFrequency Spectrum Manager appointed by the FCC
DFCC Regional Field Office

5. - T1B05

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

SelectAnswer
AFixed digital message forwarding systems only
BSpread spectrum only
CFast-scan television only
DEmergency traffic only

6. - T1C09

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

SelectAnswer
ATen years
BTwo years
CFive years
DThree years

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

SelectAnswer
AOnly during contests
BNever
COnly when transmitting certain approved digital codes
DOnly when transmitting control commands to space stations or radio control craft

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

SelectAnswer
AThe third party participant
BThe person operating the station equipment
CThe station custodian
DThe station licensee

9. - T1F04

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

SelectAnswer
AEnglish
BEnglish, French, or Spanish
CAny language recognized by the ITU
DAny language recognized by the United Nations

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

SelectAnswer
APlus or minus 5 MHz
BPlus or minus 500 kHz
CPlus or minus 600 kHz
DPlus or minus 1 MHz

11. - T2B11

Which Q signal indicates that you are changing frequency?

SelectAnswer
AQRU
BQRZ
CQSY
DQSL

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

SelectAnswer
AWhen operating a RACES station
BWhen operating under special ARES rules
CFCC rules always apply
DWhen operating under special FEMA rules

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

SelectAnswer
AFrequency shift due to Faraday rotation
BRandom combining of signals arriving via different paths
CInterference from thunderstorms
DIntermodulation distortion

14. - T3B11

What is the approximate velocity of a radio wave in free space?

SelectAnswer
A150,000 miles per hour
B300,000,000 meters per second
C300,000,000 miles per hour
D150,000 meters per second

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
A6 and 10 meters
B70 centimeters and 1.25 meters
CAll these choices are correct
D23 centimeters

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

SelectAnswer
A24.0 volts at 4 amperes
B24.0 volts at 12 amperes
C13.8 volts at 4 amperes
D13.8 volts at 12 amperes

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

SelectAnswer
ABy entering the group’s identification code
BBy activating automatic identification
CBy retrieving the frequencies from transceiver memory
DBy enabling the group’s CTCSS tone

18. - T5A08

Which of the following is a good electrical insulator?

SelectAnswer
AGlass
BMercury
CAluminum
DCopper

19. - T5B02

Which is equal to 1,500,000 hertz?

SelectAnswer
A1500 MHz
B150 kHz
C1500 kHz
D15 GHz

20. - T5C02

What is the unit of capacitance?

SelectAnswer
AThe ohm
BThe farad
CThe henry
DThe volt

21. - T5D10

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

SelectAnswer
A0.25 volts
B2.5 volts
C1 volt
D1.5 volts

22. - T6A04

What electrical component stores energy in an electric field?

SelectAnswer
ACapacitor
BVaristor
CInductor
DDiode

23. - T6B10

Which of the following can provide power gain?

SelectAnswer
AResistor
BTransistor
CTransformer
DReactor

24. - T6C07

What is component 8 in figure T-2?

SelectAnswer
ARegulator IC
BLight emitting diode
CInductor
DResistor

25. - T6D10

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

SelectAnswer
AControl the flow of current
BConvert electrical energy into radio waves
CGive off light when current flows through it
DSupply electrical energy

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

SelectAnswer
APhase converter
BLow-pass filter
CTransverter
DHigh-pass filter

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

SelectAnswer
AAll these choices are correct
BMake sure your station meets the standards of good amateur practice
CPolitely inform your neighbor that FCC rules prohibit the use of devices that cause interference
DWork with your neighbor to identify the offending device

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. - T7D01

Which instrument would you use to measure electric potential?

SelectAnswer
AAn ammeter
BA voltmeter
CAn ohmmeter
DA wavemeter

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

SelectAnswer
A150 Hz
B1000 Hz
C2.4 kHz
D15 kHz

31. - T8B04

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

SelectAnswer
AFM
BAll these choices are correct
CSSB
DCW/data

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 using DTMF signals
CBy using CTCSS tone codes
DBy entering the proper internet password

33. - T8D08

Which of the following is included in packet radio transmissions?

SelectAnswer
AAutomatic repeat request in case of error
BAll these choices are correct
CA header that contains the call sign of the station to which the information is being sent
DA check sum that permits error detection

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

SelectAnswer
AShortening it
BLengthening it
CAdding capacitive loading to the ends of the radiating wires
DInserting coils in series with radiating wires

35. - T9B08

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

SelectAnswer
AMultiple connectors in the line
BHigh SWR
CWater intrusion into coaxial connectors
DAll these choices are correct

Figure T-2

Figure T-1