Anonymous User

Hamboozler

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

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A04

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

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

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

SelectAnswer
A1/2 wavelength at the operating frequency
BThe height of the power line above ground
CEnough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
DAdd the height of the antenna to the height of the power line and multiply by a factor of 1.5

3. - T0C01

What type of radiation are radio signals?

SelectAnswer
ANon-ionizing radiation
BIonizing radiation
CGamma radiation
DAlpha radiation

4. - T1A05

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

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

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

SelectAnswer
A80 meter, 40 meter, 15 meter, and 10 meter bands
B30 meter band only
C10 meter band only
DNone

6. - T1C01

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

SelectAnswer
ATechnician, Technician Plus, General, Amateur Extra
BNovice, Technician, General, Amateur Extra
CNovice, Technician Plus, General, Advanced
DTechnician, General, Amateur Extra

7. - T1D02

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

SelectAnswer
ATelecommand or transmissions of telemetry
BIn all circumstances
CInternational Morse Code Practice
DBroadcasting

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

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

SelectAnswer
AEarth station
BMessage forwarding station
CBeacon station
DRepeater station

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

SelectAnswer
AConduct tests only between 10 p.m. and 6 a.m. local time
BNotify the FCC of the transmissions
CAll these choices are correct
DIdentify the transmitting station

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

SelectAnswer
ACTCSS
BDTMF
CCarrier squelch
DTone burst

12. - T2C08

Which of the following is a characteristic of good traffic handling?

SelectAnswer
AAll these choices are correct
BMaking decisions as to whether messages are worthy of relay or delivery
CPassing messages exactly as received
DEnsuring that any newsworthy messages are relayed to the news media

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

SelectAnswer
AIncrease the antenna SWR
BTry the long path
CTry to find a path that reflects signals to the repeater
DChange from vertical to horizontal polarization

14. - T3B09

What frequency range is referred to as UHF?

SelectAnswer
A30 to 300 MHz
B300 to 3000 MHz
C300 to 3000 kHz
D30 to 300 kHz

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

SelectAnswer
AGray-line propagation
BBackscatter
CSporadic E
DD region absorption

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
BThe types of modulation being used at the station
CThe frequency and power level at which the measurements will be made
DAll these choices are correct

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

SelectAnswer
AStore it in a memory channel
BUse the scan mode to select the desired frequency
CEnable the frequency offset
DEnable the VOX

18. - T5A07

Why are metals generally good conductors of electricity?

SelectAnswer
AThey have relatively high density
BAll these choices are correct
CThey have many free protons
DThey have many free electrons

19. - T5B02

Which is equal to 1,500,000 hertz?

SelectAnswer
A1500 kHz
B15 GHz
C1500 MHz
D150 kHz

20. - T5C07

What is the abbreviation for megahertz?

SelectAnswer
AMhz
Bmh
CMHz
DMH

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

SelectAnswer
A100 amperes
B20,000 amperes
C0.5 amperes
D2 amperes

22. - T6A01

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

SelectAnswer
ATransformer
BInverter
CInductor
DResistor

23. - T6B07

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

SelectAnswer
AForward current
BCapacitively-coupled RF signal
CReverse current
DInductively-coupled RF signal

24. - T6C08

What is component 9 in figure T-2?

SelectAnswer
AVariable resistor
BVariable transformer
CVariable inductor
DVariable capacitor

25. - T6D03

Which of the following is a reason to use shielded wire?

SelectAnswer
ATo increase the current carrying capability of the wire
BTo prevent coupling of unwanted signals to or from the wire
CTo decrease the resistance of DC power connections
DTo couple the wire to other signals

26. - T7A05

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

SelectAnswer
ALow-pass filter
BOscillator
CPhase modulator
DReactance modulator

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 amateur signal with a filter at the antenna input of the affected receiver
CBlock the interfering signal with a filter on the amateur transmitter
DSwitch the transmitter to a narrow-band mode

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

SelectAnswer
AFull Scale
B50:50
C1:1
DZero

29. - T7D01

Which instrument would you use to measure electric potential?

SelectAnswer
AAn ammeter
BA wavemeter
CA voltmeter
DAn ohmmeter

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

SelectAnswer
ASuppressed sideband
BUpper sideband
CLower sideband
DInverted sideband

31. - T8B09

What causes spin fading of satellite signals?

SelectAnswer
AInterfering signals within the satellite uplink band
BDoppler shift of the received signal
CRotation of the satellite and its antennas
DCircular polarized noise interference radiated from the sun

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

SelectAnswer
AA technique for measuring signal strength of an amateur transmitter via the internet
BA technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
CA system for providing access to websites via amateur radio
DA system for informing amateurs in real time of the frequency of active DX stations

33. - T8D11

What is an ARQ transmission system?

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

34. - T9A03

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

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

35. - T9B05

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

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

Figure T-2