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

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1. - T0A06

What is a good way to guard against electrical shock at your station?

SelectAnswer
AInstall mechanical interlocks in high-voltage circuits
BUse three-wire cords and plugs for all AC powered equipment
CAll these choices are correct
DConnect all AC powered station equipment to a common safety ground

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

SelectAnswer
ALocal electrical codes
BFAA tower lighting regulations
CFCC Part 97 rules
DUL recommended practices

3. - T0C05

Why do exposure limits vary with frequency?

SelectAnswer
AThe human body absorbs more RF energy at some frequencies than at others
BLower frequency RF fields do not penetrate the human body
CLower frequency RF fields have more energy than higher frequency fields
DHigher frequency RF fields are transient in nature

4. - T1A09

Who selects a Frequency Coordinator?

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

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
CFixed digital message forwarding systems only
DEmergency traffic only

6. - T1C01

For which license classes are new licenses currently available from the FCC?

SelectAnswer
ANovice, Technician Plus, General, Advanced
BTechnician, General, Amateur Extra
CNovice, Technician, General, Amateur Extra
DTechnician, Technician Plus, General, Amateur Extra

7. - T1D02

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

SelectAnswer
AIn all circumstances
BBroadcasting
CTelecommand or transmissions of telemetry
DInternational Morse Code Practice

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

SelectAnswer
AThe frequency authorized by the frequency coordinator
BThe highest class of operator license held by anyone on the premises
CThe class of operator license held by the control operator
DThe frequencies printed on the license grant

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

SelectAnswer
AAt the end of every transmission
BAt the end of each communication and every ten minutes during a communication
COnce during every hour
DNever, the tactical call is sufficient

10. - T2A07

What is meant by "repeater offset”?

SelectAnswer
AThe difference between a repeater’s transmit and receive frequencies
BThe repeater station identification is done on a separate frequency
CThe repeater has a time delay to prevent interference
DThe number of simultaneous transmit frequencies used by a repeater

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

SelectAnswer
ASign your call after the courtesy tone
BProgram your radio with the group’s ID or code
CJoin the repeater owner’s club
DRegister your radio with the local FCC office

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

SelectAnswer
AA training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
BA group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
CA group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
DA training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

13. - T3A07

What weather condition might decrease range at microwave frequencies?

SelectAnswer
ALow barometric pressure
BHigh winds
CColder temperatures
DPrecipitation

14. - T3B05

What is the relationship between wavelength and frequency?

SelectAnswer
AWavelength gets longer as frequency increases
BWavelength and frequency increase as path length increases
CWavelength and frequency are unrelated
DWavelength gets shorter as frequency increases

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

SelectAnswer
AThey occur only during winter nighttime hours
BThey are generally strongest when your antenna is aimed west
CThey are distorted and signal strength varies considerably
DThey are often received from 10,000 miles or more

16. - T4A05

Where should an RF power meter be installed?

SelectAnswer
AIn the power supply cable, as close as possible to the radio
BIn the feed line, between the transmitter and antenna
CAt the power supply output
DIn parallel with the push-to-talk line and the antenna

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

SelectAnswer
AAll these choices are correct
BDistorted transmitted audio
CFrequency instability
DIncreased SWR

18. - T5A08

Which of the following is a good electrical insulator?

SelectAnswer
AAluminum
BCopper
CMercury
DGlass

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C04

What is the unit of inductance?

SelectAnswer
AThe henry
BThe ohm
CThe coulomb
DThe farad

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

SelectAnswer
A9 volts
B1 volt
C11 volts
D10 volts

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

SelectAnswer
ATransformer
BInductor
CInverter
DResistor

23. - T6B04

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

SelectAnswer
ATransistor
BTriode
CAlternator
DPentagrid converter

24. - T6C12

Which of the following is accurately represented in electrical schematics?

SelectAnswer
AWire lengths
BAll these choices are correct
CPhysical appearance of components
DComponent connections

25. - T6D11

Which of the following is a resonant or tuned circuit?

SelectAnswer
AA circuit designed to provide high-fidelity audio
BA resistor circuit used for reducing standing wave ratio
CA linear voltage regulator
DAn inductor and a capacitor in series or parallel

26. - T7A02

What is a transceiver?

SelectAnswer
AA device that combines a receiver and transmitter
BA device for converting receiver and transmitter frequencies to another band
CA device for automatically sending and decoding Morse code
DA device for matching feed line impedance to 50 ohms

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

SelectAnswer
ASwitch the transmitter from FM to SSB
BBlock the interfering signal with a filter on the amateur transmitter
CBlock the amateur signal with a filter at the antenna input of the affected receiver
DSwitch the transmitter to a narrow-band mode

28. - T7C05

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

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

29. - T7D04

Which instrument is used to measure electric current?

SelectAnswer
AAn ammeter
BAn ohmmeter
CA voltmeter
DAn electrometer

30. - T8A07

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

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

SelectAnswer
AThe Keplerian elements
BThe last observed time of zero Doppler shift
CAll these choices are correct
DThe satellite transmitted power

32. - T8C06

How is over the air access to IRLP nodes accomplished?

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

33. - T8D08

Which of the following is included in packet radio transmissions?

SelectAnswer
AAutomatic repeat request in case of error
BAll these choices are correct
CA header that contains the call sign of the station to which the information is being sent
DA check sum that permits error detection

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

SelectAnswer
A112
B236
C50
D6

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

SelectAnswer
ADB-25
BType N
CRS-213
DUHF (PL-259/SO-239)