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

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1. - T0A04

What is the purpose of a fuse in an electrical circuit?

SelectAnswer
ATo remove power in case of overload
BTo prevent power supply ripple from damaging a component
CTo limit current to prevent shocks
DAll these choices are correct

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

SelectAnswer
AProvide an ability to measure for proper tensioning
BProvide a ground path for lightning strikes
CSecure the guy line if the turnbuckle breaks
DPrevent loosening of the turnbuckle from vibration

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

SelectAnswer
ARadiation pattern of the antenna
BAll these choices are correct
CDistance from the antenna to a person
DFrequency and power level of the RF field

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 transmitting emergency messages
DIt is required when in contact with foreign stations

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. - T1C04

What may happen if the FCC is unable to reach you by email?

SelectAnswer
AFine and suspension of operator license
BRevocation of access to the license record in the FCC system
CRevocation of the station license or suspension of the operator license
DNothing; there is no such requirement

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

SelectAnswer
AIn all circumstances
BInternational Morse Code Practice
CBroadcasting
DTelecommand or transmissions of telemetry

8. - T1E09

Which of the following are required for remote control operation?

SelectAnswer
AThe control operator must be at the control point
BA control operator is required at all times
CAll these choices are correct
DThe control operator must indirectly manipulate the controls

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

SelectAnswer
AThe club must be registered with the American Radio Relay League
BThe club must have at least four members
CThe trustee must have an Amateur Extra Class operator license grant
DAll these choices are correct

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

SelectAnswer
AWait for the station to call CQ, then answer
BSay "CQ" three times, then the other station's call sign
CSay the station's call sign, then identify with your call sign
DSay "break, break," then say the station's call sign

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

SelectAnswer
ATo reduce power output
BTo increase power output
CTo listen on a repeater’s output frequency
DTo listen on a repeater’s input frequency

12. - T2C11

What is meant by “check” in a radiogram header?

SelectAnswer
AA list of stations that have relayed the message
BA box on the message form that indicates that the message was received and/or relayed
CThe number of words or word equivalents in the text portion of the message
DThe call sign of the originating station

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

SelectAnswer
AThe ionosphere
BThe mesosphere
CThe troposphere
DThe stratosphere

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

SelectAnswer
ATraditional letter/number designators
BAll these choices are correct
CThe approximate wavelength in meters
DChannel numbers

15. - T3C09

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

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

SelectAnswer
AComputer “line out” to transceiver push-to-talk
BComputer “line in” to transceiver push-to-talk
CComputer “line in” to transceiver speaker connector
DComputer “line out” to transceiver speaker connector

17. - T4B09

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

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

18. - T5A01

Electrical current is measured in which of the following units?

SelectAnswer
AWatts
BOhms
CVolts
DAmperes

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

SelectAnswer
A23.8 watts
B138 watts
C0.7 watts
D3.8 watts

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

SelectAnswer
A30 ohms
B270 ohms
C3 ohms
D93 ohms

22. - T6A07

What electrical component is typically constructed as a coil of wire?

SelectAnswer
ACapacitor
BDiode
CSwitch
DInductor

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

SelectAnswer
ATransistor
BAlternator
CTriode
DPentagrid converter

24. - T6C05

What is component 4 in figure T-1?

SelectAnswer
ABattery
BResistor
CGround symbol
DTransistor

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

SelectAnswer
AZener diode
BCapacitor
CResistor
DPotentiometer

26. - T7A07

What is the function of a transceiver’s PTT input?

SelectAnswer
ASwitches transceiver from receive to transmit when grounded
BInput for a key used to send CW
CInput for a preamplifier tuning tone
DProvides a transmit tuning tone when grounded

27. - T7B02

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

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

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

SelectAnswer
ATo protect the output amplifier transistors
BTo lower the SWR on the transmission line
CBecause power supplies cannot supply enough current at high SWR
DTo comply with FCC rules on spectral purity

29. - T7D01

Which instrument would you use to measure electric potential?

SelectAnswer
AA wavemeter
BAn ammeter
CA voltmeter
DAn ohmmeter

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

SelectAnswer
ASSB
BPSK
CFM or PM
DAM

31. - T8B05

What is a satellite beacon?

SelectAnswer
AThe primary transmit antenna on the satellite
BAn indicator light that shows where to point your antenna
CA reflective surface on the satellite
DA transmission from a satellite that contains status information

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

SelectAnswer
AA technique employed to “spot” DX stations via the internet
BA technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
CA method of delivering voice communications over the internet using digital techniques
DA set of rules specifying how to identify your station when linked over the internet to another station

33. - T8D11

What is an ARQ transmission system?

SelectAnswer
AAn error correction method in which the receiving station detects errors and sends a request for retransmission
BA special transmission format limited to video signals
CA system used to encrypt command signals to an amateur radio satellite
DA method of compressing data using autonomous reiterative Q codes prior to final encoding

34. - T9A10

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

SelectAnswer
AIn the direction of the feed line
BBroadside to the antenna
COff the ends of the antenna
DEqually in all directions

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

SelectAnswer
AThe characteristic impedance increases
BThe loss decreases
CThe characteristic impedance decreases
DThe loss increases

Figure T-1