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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

SelectAnswer
AEnsure that the circuit is grounded through the voltmeter
BEnsure that the voltmeter has very low impedance
CEnsure that the voltmeter and leads are rated for use at the voltages to be measured
DEnsure that the voltmeter is set to the correct frequency

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

SelectAnswer
ACommon grounds must be avoided
BUse only non-insulated wire
CWires must be carefully routed with precise right-angle bends
DSharp bends must be avoided

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 computer modeling
BBy calculation based on FCC OET Bulletin 65
CAll these choices are correct
DBy measurement of field strength using calibrated equipment

4. - T1A06

What is the FCC Part 97 definition of a beacon?

SelectAnswer
AA continuous transmission of weather information authorized in the amateur bands by the National Weather Service
BA bulletin sent by the FCC to announce a national emergency
CA government transmitter marking the amateur radio band edges
DAn amateur station transmitting communications for the purposes of observing propagation or related experimental activities

5. - T1B06

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

SelectAnswer
A10 meter band only
B80 meter, 40 meter, 15 meter, and 10 meter bands
C30 meter band only
DNone

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

SelectAnswer
AFrom anywhere within International Telecommunication Union (ITU) Regions 2 and 3
BFrom within any country that is a member of the United Nations
CFrom any vessel or craft located in international waters and documented or registered in the United States
DFrom within any country that belongs to the International Telecommunication Union

7. - T1D10

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

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

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

SelectAnswer
AThe third party participant
BThe station licensee
CThe station custodian
DThe person operating the station equipment

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

SelectAnswer
ASend the call sign followed by the indicator R
BSend the call sign using only a phone emission
CSend the call sign followed by the indicator RPT
DSend the call sign using a CW or phone emission

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

SelectAnswer
AA list of operating schedules
BA list of available net frequencies
CA plan devised by a club to indicate frequency band usage
DA voluntary guideline for using different modes or activities within an amateur band

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

SelectAnswer
AMust match the repeater color code for access
BDefines the minimum signal level required for access
CIdentifies the codec used
DDefines the frequency pair to use

12. - T2C02

Which of the following are typical duties of a Net Control Station?

SelectAnswer
ACall the net to order and direct communications between stations checking in
BAll these choices are correct
CChoose the regular net meeting time and frequency
DEnsure that all stations checking into the net are properly licensed for operation on the net frequency

13. - T3A02

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

SelectAnswer
AAbsorption
BAmplification
CPolarization rotation
DKnife-edge diffraction

14. - T3B01

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

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

15. - T3C07

What band is best suited for communicating via meteor scatter?

SelectAnswer
A2 meters
B70 centimeters
C33 centimeters
D6 meters

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

SelectAnswer
AThe keypad or VFO knob
BThe Automatic Frequency Control
CAll these choices are correct
DThe CTCSS or DTMF encoder

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

SelectAnswer
ASpeed
BFrequency
CPulse rate
DWavelength

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C01

What describes the ability to store energy in an electric field?

SelectAnswer
ATolerance
BInductance
CCapacitance
DResistance

21. - T5D14

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

SelectAnswer
AParallel
BSeries
CResonant
DBranch

22. - T6A06

What type of electrical component stores energy in a magnetic field?

SelectAnswer
AVaristor
BCapacitor
CInductor
DDiode

23. - T6B05

What type of transistor has a gate, drain, and source?

SelectAnswer
ATesla-effect
BField-effect
CVaristor
DBipolar junction

24. - T6C06

What is component 6 in figure T-2?

SelectAnswer
ACapacitor
BRegulator IC
CResistor
DTransistor

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. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

SelectAnswer
AReduce the received signal noise
BSet the amplifier for proper operation in the selected mode
CChange the mode of the transmitted signal
DChange the frequency range of the amplifier to operate in the proper segment of the band

27. - T7B03

Which of the following can cause radio frequency interference?

SelectAnswer
AAll these choices are correct
BSpurious emissions
CFundamental overload
DHarmonics

28. - T7C01

What is the primary purpose of a dummy load?

SelectAnswer
ATo improve the signal-to-noise ratio of a receiver
BTo prevent transmitting signals over the air when making tests
CTo improve the efficiency of an antenna
DTo prevent over-modulation of a transmitter

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

SelectAnswer
ATin-copper solder
BAcid-core solder
CRosin-core solder
DLead-tin solder

30. - T8A06

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

SelectAnswer
ALower sideband
BUpper sideband
CInverted sideband
DSuppressed sideband

31. - T8B07

What is Doppler shift in reference to satellite communications?

SelectAnswer
AAn observed change in signal frequency caused by relative motion between the satellite and Earth station
BA change in the satellite orbit
CA mode where the satellite receives signals on one band and transmits on another
DA special digital communications mode for some satellites

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

SelectAnswer
AD-STAR
BIRLP
CDMR
DEchoLink

33. - T8D05

Which of the following is an application of APRS?

SelectAnswer
AProviding information on the number of stations signed into a repeater
BShowing automatically the number of packets transmitted via PACTOR during a specific time interval
CProviding voice over internet connection between repeaters
DProviding real-time tactical digital communications in conjunction with a map showing the locations of stations

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

SelectAnswer
AThe SWR might decrease, decreasing the signal strength
BAll these choices are correct
CSignal strength is reduced due to the shielding effect of the vehicle
DThe bandwidth of the antenna will decrease, increasing SWR

35. - T9B12

What is standing wave ratio (SWR)?

SelectAnswer
AAn indication of the quality of your station’s ground connection
BThe transmitter efficiency ratio
CThe ratio of amplifier power output to input
DA measure of how well a load is matched to a transmission line

Figure T-2