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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 is set to the correct frequency
DEnsure that the voltmeter has very low impedance

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
BNever
CWhen no mechanical work is being performed
DWhen the work being done is not more than 20 feet above the ground

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

SelectAnswer
AThe station licensee
BAnyone who is near an antenna
CThe local zoning board
DThe FCC

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 encouraged
BAll these choices are correct
CIt is required when in contact with foreign stations
DIt is required when transmitting emergency messages

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

SelectAnswer
AOnly in sub-bands allocated to General class or higher licensees
BOn any band if the power is limited to 25 watts
CIn at least some segment of all these bands
DOnly on repeaters

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

SelectAnswer
AAny licensed amateur
BOnly a licensed amateur who has been licensed continuously for more than 10 years
COnly a licensed amateur with a General or Amateur Extra Class license
DOnly a licensed amateur with an Amateur Extra Class license

7. - T1D03

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

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

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

SelectAnswer
AAs part of a multi-operator contest team
BWhen designated as the control operator by an Amateur Extra Class licensee
CAt no time
DWhen using a club station whose trustee holds an Amateur Extra Class license

9. - T1F08

What is the definition of third party communications?

SelectAnswer
AA message from a control operator to another amateur station control operator on behalf of another person
BTemporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
COperation when the transmitting equipment is licensed to a person other than the control operator
DAmateur radio communications where three stations are in communications with one another

10. - T2A08

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

SelectAnswer
ATest transmission, no reply expected
BCall on the quarter hour
CCalling any station
DOnly the called station should transmit

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

SelectAnswer
AAll these choices are correct
BYou are using the wrong CTCSS tone
CYou are using the wrong DCS code
DImproper transceiver offset

12. - T2C02

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

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

SelectAnswer
AHigh winds
BLow barometric pressure
CColder temperatures
DPrecipitation

14. - T3B04

What is the velocity of a radio wave traveling through free space?

SelectAnswer
ASpeed inversely proportional to its wavelength
BSpeed of light
CSpeed of sound
DSpeed that increases as the frequency increases

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

SelectAnswer
AFCC regulations prohibit them from going more than 50 miles
BThey are too weak to go very far
CUHF signals are absorbed by the ionospheric D region
DUHF signals are usually not propagated by the ionosphere

16. - T4A05

Where should an RF power meter be installed?

SelectAnswer
AAt the power supply output
BIn parallel with the push-to-talk line and the antenna
CIn the power supply cable, as close as possible to the radio
DIn the feed line, between the transmitter and 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 entering the group’s identification code
CBy activating automatic identification
DBy retrieving the frequencies from transceiver memory

18. - T5A06

What is the unit of frequency?

SelectAnswer
ATesla
BHertz
CFarad
DHenry

19. - T5B12

Which is equal to 28400 kHz?

SelectAnswer
A28.400 kHz
B284.00 MHz
C28.400 MHz
D2.800 MHz

20. - T5C01

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

SelectAnswer
AResistance
BTolerance
CInductance
DCapacitance

21. - T5D06

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

SelectAnswer
A3 ohms
B48 ohms
C16 ohms
D8 ohms

22. - T6A05

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

SelectAnswer
AOscillator
BCapacitor
CPotentiometer
DResistor

23. - T6B05

What type of transistor has a gate, drain, and source?

SelectAnswer
ABipolar junction
BTesla-effect
CVaristor
DField-effect

24. - T6C06

What is component 6 in figure T-2?

SelectAnswer
ATransistor
BCapacitor
CResistor
DRegulator IC

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

SelectAnswer
AReflector
BAmplifier
CRectifier
DTransformer

26. - T7A11

Where is an RF preamplifier installed?

SelectAnswer
AAt the output of the receiver audio amplifier
BBetween the transmitter and the antenna tuner
CAt the output of the transmitter power amplifier
DBetween the antenna and receiver

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

SelectAnswer
AThe transmitter will not stay on the desired frequency
BFrequent blowing of power supply fuses
CReports of garbled, distorted, or unintelligible voice transmissions
DExcessive SWR at the antenna connection

28. - T7C07

What happens to power lost in a feed line?

SelectAnswer
AIt is radiated as harmonics
BIt is converted into heat
CIt distorts the signal
DIt increases the SWR

29. - T7D06

Which of the following can damage a multimeter?

SelectAnswer
AAttempting to measure resistance using the voltage setting
BNot allowing it to warm up properly
CAttempting to measure voltage when using the resistance setting
DFailing to connect one of the probes to ground

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

SelectAnswer
ASSB
BPSK
CFM or PM
DAM

31. - T8B03

Which of the following are provided by satellite tracking programs?

SelectAnswer
AAll these choices are correct
BThe apparent frequency of the satellite transmission, including effects of Doppler shift
CMaps showing the real-time position of the satellite track over Earth
DThe time, azimuth, and elevation of the start, maximum altitude, and end of a pass

32. - T8C04

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

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

33. - T8D04

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

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

34. - T9A05

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

SelectAnswer
AAdding capacitive loading to the ends of the radiating wires
BLengthening it
CInserting coils in series with radiating wires
DShortening it

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

SelectAnswer
A600 ohms
B8 ohms
C12 ohms
D50 ohms

Figure T-2