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

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
CWires must be carefully routed with precise right-angle bends
DCommon grounds must be avoided

3. - T0C02

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

SelectAnswer
A1296 MHz
B3.5 MHz
C50 MHz
D440 MHz

4. - T1A10

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

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

5. - T1B10

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

SelectAnswer
AIn at least some segment of all these bands
BOnly in sub-bands allocated to General class or higher licensees
COnly on repeaters
DOn any band if the power is limited to 25 watts

6. - T1C09

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

SelectAnswer
AFive years
BTen years
CTwo years
DThree years

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

SelectAnswer
AThe ITU maintains a list of words that are not permitted to be used on amateur frequencies
BThe FCC maintains a list of words that are not permitted to be used on amateur frequencies
CThere is no such prohibition
DAny such language is prohibited

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

SelectAnswer
AOnly an Amateur Extra Class operator who is also an AMSAT member
BAny amateur allowed to transmit on the satellite uplink frequency
COnly an Amateur Extra Class operator
DA General class or higher licensee with a satellite operator certification

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

SelectAnswer
AThe control operator of the originating station
BThe control operator of the repeater
CBoth the originating station and the repeater owner
DThe owner of the repeater

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

SelectAnswer
A432.100 MHz
B446.000 MHz
C146.520 MHz
D145.000 MHz

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

SelectAnswer
AQSB
BQRM
CQRN
DQTH

12. - T2C10

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

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

13. - T3A08

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

SelectAnswer
AFrequency shift due to Faraday rotation
BInterference from thunderstorms
CIntermodulation distortion
DRandom combining of signals arriving via different paths

14. - T3B10

What frequency range is referred to as HF?

SelectAnswer
A300 to 3000 MHz
B3 to 30 MHz
C30 to 300 MHz
D300 to 3000 kHz

15. - T3C01

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

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

16. - T4A02

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

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

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

SelectAnswer
AYour call sign
BAll these choices are correct
CYour output power
DThe codec type being used

18. - T5A07

Why are metals generally good conductors of electricity?

SelectAnswer
AThey have many free electrons
BThey have relatively high density
CThey have many free protons
DAll these choices are correct

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C01

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

SelectAnswer
ATolerance
BResistance
CInductance
DCapacitance

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
A18 ohms
B13.5 ohms
C0.125 ohms
D8 ohms

22. - T6A11

Which of the following battery chemistries is not rechargeable?

SelectAnswer
ALead-acid
BNickel-cadmium
CLithium-ion
DCarbon-zinc

23. - T6B01

Which is true about forward voltage drop in a diode?

SelectAnswer
AIt indicates that the diode is defective
BIt has no impact on the voltage delivered to the load
CIt is lower in some diode types than in others
DIt is proportional to peak inverse voltage

24. - T6C02

What is component 1 in figure T-1?

SelectAnswer
AConnector
BTransistor
CBattery
DResistor

25. - T6D07

Which of the following is commonly used as a visual indicator?

SelectAnswer
AFET
BLED
CBipolar transistor
DZener diode

26. - T7A11

Where is an RF preamplifier installed?

SelectAnswer
ABetween the transmitter and the antenna tuner
BBetween the antenna and receiver
CAt the output of the transmitter power amplifier
DAt the output of the receiver audio amplifier

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

SelectAnswer
AAll these choices are correct
BYou are in a bad location
CYour transmitter is slightly off frequency
DYour batteries are running low

28. - T7C10

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

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

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

SelectAnswer
AIn parallel
BIn phase
CIn series
DIn quadrature

30. - T8A01

Which of the following is a form of amplitude modulation?

SelectAnswer
ASpread spectrum
BSingle sideband
CPhase shift keying (PSK)
DPacket radio

31. - T8B11

Who may receive telemetry from a space station?

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

32. - T8C05

What is a grid locator?

SelectAnswer
AA letter-number designator assigned to an azimuth and elevation
BAn instrument for radio direction finding
CAn instrument for neutralizing a final amplifier
DA letter-number designator assigned to a geographic location

33. - T8D12

Which of the following best describes an amateur radio mesh network?

SelectAnswer
AAn internet linking protocol used to network repeaters
BAn amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
CA satellite communications network using modified commercial satellite TV hardware
DA wide-bandwidth digital voice mode employing DMR protocols

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

SelectAnswer
ABroadside to the antenna
BEqually in all directions
CIn the direction of the feed line
DOff the ends of the antenna

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 allows an antenna to be used on both transmit and receive
CIt matches the antenna system impedance to the transceiver's output impedance
DIt helps a receiver automatically tune in weak stations

Figure T-1