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

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

SelectAnswer
AWhen the work being done is not more than 20 feet above the ground
BWhen no electrical work is being performed
CWhen no mechanical work is being performed
DNever

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

SelectAnswer
ABy calculation based on FCC OET Bulletin 65
BAll these choices are correct
CBy calculation based on computer modeling
DBy measurement of field strength using calibrated equipment

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

SelectAnswer
AAn email notification from the NCVEC granting the license
BA printed copy of the certificate of successful completion of examination
CThe license appears in the FCC ULS database
DAll these choices are correct

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

SelectAnswer
AAny amateur holding a General class or higher license who has applied for and received approval from NASA
BAny amateur holding a General class or higher license
CAny amateur holding a Technician class or higher license
DAny amateur holding a Technician class or higher license who has applied for and received approval from NASA

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

SelectAnswer
AEight years
BFive years
CTen years
DLife

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

SelectAnswer
ATwo-way transmissions by amateur stations
BAny transmission made by the licensed station
CTransmissions intended for reception by the general public
DTransmission of messages directed only to amateur operators

8. - T1E03

Who must designate the station control operator?

SelectAnswer
AThe FCC
BAny licensed operator
CThe frequency coordinator
DThe station licensee

9. - T1F11

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

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

10. - T2A12

What should you do before calling CQ?

SelectAnswer
AAsk if the frequency is in use
BMake sure you are authorized to use that frequency
CAll these choices are correct
DListen first to be sure that no one else is using the frequency

11. - T2B07

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

SelectAnswer
AProgram your radio with the group’s ID or code
BSign your call after the courtesy tone
CRegister your radio with the local FCC office
DJoin the repeater owner’s club

12. - T2C03

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

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

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

SelectAnswer
APolarization rotation
BAmplification
CKnife-edge diffraction
DAbsorption

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

SelectAnswer
AThey are at right angles
BThey revolve in opposite directions
CThey travel at different speeds
DThey are in parallel

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

SelectAnswer
ALong-distance ionospheric propagation is far more common on HF
BThere is less atmospheric interference (static) on HF
CHF antennas are generally smaller
DHF accommodates wider bandwidth signals

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
B13.8 volts at 4 amperes
C24.0 volts at 4 amperes
D24.0 volts at 12 amperes

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

SelectAnswer
A5000 Hz
B2400 Hz
C1000 Hz
D500 Hz

18. - T5A07

Why are metals generally good conductors of electricity?

SelectAnswer
AAll these choices are correct
BThey have many free electrons
CThey have relatively high density
DThey have many free protons

19. - T5B08

Which is equal to 1,000,000 picofarads?

SelectAnswer
A1,000,000,000 microfarads
B1000 microfarads
C1 microfarad
D0.001 microfarads

20. - T5C04

What is the unit of inductance?

SelectAnswer
AThe ohm
BThe farad
CThe coulomb
DThe henry

21. - T5D02

What formula is used to calculate voltage in a circuit?

SelectAnswer
AE = I - R
BE = I x R
CE = I / R
DE = I + R

22. - T6A11

Which of the following battery chemistries is not rechargeable?

SelectAnswer
ACarbon-zinc
BLithium-ion
CNickel-cadmium
DLead-acid

23. - T6B04

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

SelectAnswer
ATransistor
BPentagrid converter
CAlternator
DTriode

24. - T6C11

What is component 4 in figure T-3?

SelectAnswer
AGround
BTransmitter
CAntenna
DDummy load

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

SelectAnswer
AVariable capacitor
BTransformer
CTransistor
DDiode

26. - T7A07

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

SelectAnswer
AInput for a preamplifier tuning tone
BInput for a key used to send CW
CProvides a transmit tuning tone when grounded
DSwitches transceiver from receive to transmit when grounded

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

SelectAnswer
AAll these choices are correct
BWork with your neighbor to identify the offending device
CMake sure your station meets the standards of good amateur practice
DPolitely inform your neighbor that FCC rules prohibit the use of devices that cause interference

28. - T7C10

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

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

29. - T7D04

Which instrument is used to measure electric current?

SelectAnswer
AAn ammeter
BAn ohmmeter
CAn electrometer
DA voltmeter

30. - T8A01

Which of the following is a form of amplitude modulation?

SelectAnswer
ASingle sideband
BPhase shift keying (PSK)
CSpread spectrum
DPacket radio

31. - T8B03

Which of the following are provided by satellite tracking programs?

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

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 set of rules specifying how to identify your station when linked over the internet to another station
DA method of delivering voice communications over the internet using digital techniques

33. - T8D01

Which of the following is a digital communications mode?

SelectAnswer
AIEEE 802.11
BPacket radio
CAll these choices are correct
DFT8

34. - T9A03

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

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

35. - T9B06

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

SelectAnswer
ARS-213
BType N
CDB-25
DUHF (PL-259/SO-239)

Figure T-3