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

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1. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

SelectAnswer
AEnsure that the voltmeter and leads are rated for use at the voltages to be measured
BEnsure that the circuit is grounded through the voltmeter
CEnsure that the voltmeter has very low impedance
DEnsure that the voltmeter is set to the correct frequency

2. - T0B08

Which is a proper grounding method for a tower?

SelectAnswer
AA single four-foot ground rod, driven into the ground no more than 12 inches from the base
BA connection between the tower base and a cold water pipe
CSeparate eight-foot ground rods for each tower leg, bonded to the tower and each other
DA ferrite-core RF choke connected between the tower and ground

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 re-evaluating the station whenever an item in the transmitter or antenna system is changed
DBy informing the FCC of any changes made in your station

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

SelectAnswer
AIt is required when transmitting emergency messages
BIt is required when in contact with foreign stations
CAll these choices are correct
DIt is encouraged

5. - T1B04

Which amateur band includes 146.52 MHz?

SelectAnswer
A20 meters
B2 meters
C6 meters
D70 centimeters

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

SelectAnswer
AFailure to obtain FCC type acceptance prior to using a home-built transmitter
BFailure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
CFailure to have a copy of your license available at your station
DFailure to provide and maintain a correct email address with the FCC

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

SelectAnswer
ANever
BWhen no profit is made on the sale
CWhen the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
DWhen selling amateur radio equipment and not on a regular basis

8. - T1E08

Which of the following is an example of automatic control?

SelectAnswer
AUsing a computer or other device to identify automatically
BUsing a computer or other device to send CW automatically
CRepeater operation
DControlling a station over the internet

9. - T1F04

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

SelectAnswer
AEnglish
BAny language recognized by the ITU
CAny language recognized by the United Nations
DEnglish, French, or Spanish

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

SelectAnswer
AThe stations should negotiate continued use of the frequency
BBoth stations should choose another frequency to avoid conflict
CInterference is inevitable, so no action is required
DUse subaudible tones so both stations can share the frequency

12. - T2C10

What information is contained in the preamble of a formal traffic message?

SelectAnswer
AInformation needed to track the message
BThe address of the intended recipient
CThe telephone number of the addressee
DThe email address of the originating station

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

SelectAnswer
ADeflection
BAbsorption
CThere is little effect
DRange increase

14. - T3B11

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

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

SelectAnswer
AFrom dawn to shortly after sunset during periods of high sunspot activity
BFrom shortly after sunset to dawn during periods of high sunspot activity
CFrom dawn to shortly after sunset during periods of low sunspot activity
DFrom shortly after sunset to dawn during periods of low sunspot activity

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

SelectAnswer
AThe frequency and power level at which the measurements will be made
BThe types of modulation being used at the station
CAll these choices are correct
DThe distance that the meter will be located from the antenna

17. - T4B09

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

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

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
ASiemens
BOhms
CMhos
DCoulombs

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C01

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

SelectAnswer
ATolerance
BCapacitance
CInductance
DResistance

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

SelectAnswer
A3 ohms
B16 ohms
C48 ohms
D8 ohms

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

SelectAnswer
AResistor
BCapacitor
CPotentiometer
DOscillator

23. - T6B09

What are the names for the electrodes of a diode?

SelectAnswer
AGate and base
BAnode and cathode
CSource and drain
DPlus and minus

24. - T6C04

What is component 3 in figure T-1?

SelectAnswer
ALamp
BResistor
CGround symbol
DTransistor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

SelectAnswer
ATransistor
BRelay
CPotentiometer
DMeter

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

SelectAnswer
APhase modulator
BOscillator
CLow-pass filter
DReactance modulator

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

SelectAnswer
AThe microphone gain of the transmitter is turned up too high
BThe receiver is unable to reject strong signals outside the AM or FM band
CThe deviation of an FM transmitter is set too low
DThe audio amplifier of the transmitter is overloaded

28. - T7C09

Which of the following causes failure of coaxial cables?

SelectAnswer
ARapid fluctuation in transmitter output power
BSolder flux contamination
CMoisture contamination
DOperation at 100% duty cycle for an extended period

29. - T7D11

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

SelectAnswer
ASpread spectrum
BPacket radio
CPhase shift keying (PSK)
DSingle sideband

31. - T8B04

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

SelectAnswer
ASSB
BCW/data
CFM
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 using DTMF signals
CBy using CTCSS tone codes
DBy entering the proper internet password

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

SelectAnswer
AA special mode for satellite uplink
BA frame compression scheme for TV signals
CA Normal Transmission mode in Static Circuit
DAn analog fast-scan color TV signal

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

SelectAnswer
AIt eliminates distortion caused by reflected signals
BIt has 10 times the power gain of a 1/4 wavelength whip
CIt has more gain than a 1/4-wavelength antenna
DIt radiates at a very high angle

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

SelectAnswer
ARG-213 cable has less loss at a given frequency
BRG-58 cable can handle higher power levels
CRG-58 cable has two shields
DThere is no significant difference between the two types

Figure T-1