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

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1. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

SelectAnswer
AAt the output connector of a transceiver
BAt the antenna feed point
COn a grounded panel near where feed lines enter the building
DAt the ac power service panel

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

SelectAnswer
AThe antenna could contact high-voltage power lines
BThe antenna will not work properly because of induced voltages
CThe 60 Hz radiations from the feed line may increase the SWR
DAll these choices are correct

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

SelectAnswer
AThe difference between the lowest power output and the highest power output of a transmitter
BThe difference between the PEP and average power output of a transmitter
CThe percentage of time that a transmitter is not transmitting
DThe percentage of time that a transmitter is transmitting

4. - T1A09

Who selects a Frequency Coordinator?

SelectAnswer
AFCC Regional Field Office
BThe FCC Office of Spectrum Management and Coordination Policy
CAmateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
DThe local chapter of the Office of National Council of Independent Frequency Coordinators

5. - T1B05

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

SelectAnswer
AFast-scan television only
BSpread spectrum only
CEmergency traffic only
DFixed digital message forwarding systems only

6. - T1C09

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

SelectAnswer
ATwo years
BThree years
CTen years
DFive years

7. - T1D05

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

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

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
AWhen using a club station whose trustee holds an Amateur Extra Class license
BAs part of a multi-operator contest team
CWhen designated as the control operator by an Amateur Extra Class licensee
DAt no time

9. - T1F08

What is the definition of third party communications?

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

10. - T2A12

What should you do before calling CQ?

SelectAnswer
AMake sure you are authorized to use that frequency
BAll these choices are correct
CAsk if the frequency is in use
DListen first to be sure that no one else is using the frequency

11. - T2B11

Which Q signal indicates that you are changing frequency?

SelectAnswer
AQSL
BQRZ
CQRU
DQSY

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

SelectAnswer
ASpell the words using a standard phonetic alphabet
BAll these choices are correct
CSend the words by voice and Morse code
DSpeak very loudly into the microphone

13. - T3A06

What is the meaning of the term “picket fencing”?

SelectAnswer
ARapid flutter on mobile signals due to multipath propagation
BA type of ground system used with vertical antennas
CAlternating transmissions during a net operation
DLocal vs long-distance communications

14. - T3B11

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

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

SelectAnswer
ARadio waves are blocked by dust particles
BThe atmosphere refracts radio waves slightly
CRadio waves are not blocked by dust particles
DRadio signals move somewhat faster than the speed of light

16. - T4A01

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

SelectAnswer
A13.8 volts at 12 amperes
B24.0 volts at 12 amperes
C24.0 volts at 4 amperes
D13.8 volts at 4 amperes

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

SelectAnswer
APermits monitoring several modes at once by selecting a separate filter for each mode
BIncreases the amount of offset between receive and transmit frequencies
CPermits noise or interference reduction by selecting a bandwidth matching the mode
DIncreases the number of frequencies that can be stored in memory

18. - T5A04

What are the units of electrical resistance?

SelectAnswer
ASiemens
BMhos
CCoulombs
DOhms

19. - T5B01

How many milliamperes is 1.5 amperes?

SelectAnswer
A15,000 milliamperes
B15 milliamperes
C150 milliamperes
D1500 milliamperes

20. - T5C12

What is impedance?

SelectAnswer
AThe power handling capability of a component
BThe Q or Quality Factor of a component
CThe opposition to AC current flow
DThe inverse of resistance

21. - T5D14

In which type of circuit is voltage the same across all components?

SelectAnswer
ABranch
BParallel
CResonant
DSeries

22. - T6A11

Which of the following battery chemistries is not rechargeable?

SelectAnswer
ANickel-cadmium
BLead-acid
CLithium-ion
DCarbon-zinc

23. - T6B07

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

SelectAnswer
ACapacitively-coupled RF signal
BInductively-coupled RF signal
CReverse current
DForward current

24. - T6C11

What is component 4 in figure T-3?

SelectAnswer
AGround
BTransmitter
CAntenna
DDummy load

25. - T6D04

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

SelectAnswer
AMeter
BRelay
CPotentiometer
DTransistor

26. - T7A05

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

SelectAnswer
AOscillator
BLow-pass filter
CPhase modulator
DReactance modulator

27. - T7B02

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

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

28. - T7C03

What does a dummy load consist of?

SelectAnswer
AA low-voltage power supply and a DC relay
BA 50-ohm reactance used to terminate a transmission line
CA non-inductive resistor mounted on a heat sink
DA high-gain amplifier and a TR switch

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

SelectAnswer
ASSB signals are less susceptible to interference
BSSB signals are easier to tune in correctly
CSSB signals have narrower bandwidth
DAll these choices are correct

31. - T8B11

Who may receive telemetry from a space station?

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

32. - T8C06

How is over the air access to IRLP nodes accomplished?

SelectAnswer
ABy using DTMF signals
BBy entering the proper internet password
CBy using CTCSS tone codes
DBy obtaining a password that is sent via voice to the node

33. - T8D01

Which of the following is a digital communications mode?

SelectAnswer
AFT8
BIEEE 802.11
CPacket radio
DAll these choices are correct

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

SelectAnswer
AA vertically polarized antenna
BA travelling-wave antenna
CA horizontally polarized antenna
DA ground-wave antenna

35. - T9B10

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

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

Figure T-3