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

2. - T0B08

Which is a proper grounding method for a tower?

SelectAnswer
AA single four-foot ground rod, driven into the ground no more than 12 inches from the base
BA connection between the tower base and a cold water pipe
CA ferrite-core RF choke connected between the tower and ground
DSeparate eight-foot ground rods for each tower leg, bonded to the tower and each other

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

SelectAnswer
AThe difference between the lowest power output and the highest power output of a transmitter
BThe difference between the PEP and average power output of a transmitter
CThe percentage of time that a transmitter is transmitting
DThe percentage of time that a transmitter is not transmitting

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

SelectAnswer
AInternational Telecommunication Union
BVolunteer Frequency Coordinator recognized by local amateurs
CFrequency Spectrum Manager appointed by the FCC
DFCC Regional Field Office

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

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

SelectAnswer
AFailure to have a copy of your license available at your station
BFailure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
CFailure to provide and maintain a correct email address with the FCC
DFailure to obtain FCC type acceptance prior to using a home-built transmitter

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

SelectAnswer
AAny country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
BAny country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
CAny country banned from such communications by the International Amateur Radio Union (IARU)
DAny country banned from making such communications by the American Radio Relay League (ARRL)

8. - T1E03

Who must designate the station control operator?

SelectAnswer
AThe frequency coordinator
BThe FCC
CThe station licensee
DAny licensed operator

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 have at least four members
DThe club must be registered with the American Radio Relay League

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

SelectAnswer
APlus or minus 600 kHz
BPlus or minus 5 MHz
CPlus or minus 1 MHz
DPlus or minus 500 kHz

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

SelectAnswer
AImproper transceiver offset
BYou are using the wrong CTCSS tone
CYou are using the wrong DCS code
DAll these choices are correct

12. - T2C02

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

SelectAnswer
AChoose the regular net meeting time and frequency
BCall the net to order and direct communications between stations checking in
CEnsure that all stations checking into the net are properly licensed for operation on the net frequency
DAll these choices are correct

13. - T3A11

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

SelectAnswer
AThe stratosphere
BThe mesosphere
CThe troposphere
DThe ionosphere

14. - T3B08

What frequency range is referred to as VHF?

SelectAnswer
A300 MHz to 3000 MHz
B30 kHz to 300 kHz
C300 kHz to 3000 kHz
D30 MHz to 300 MHz

15. - T3C09

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

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

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

SelectAnswer
ATo a computer running a terminal program and connected to a terminal node controller unit
BTo an FT8 conversion unit, a keyboard, and a computer monitor
CTo a computer connected to the FT8converter.com website
DTo the audio input and output of a computer running WSJT-X software

17. - T4B09

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

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

18. - T5A11

What type of current flow is opposed by resistance?

SelectAnswer
ADirect current
BAll these choices are correct
CAlternating current
DRF current

19. - T5B06

Which is equal to 3000 milliamperes?

SelectAnswer
A0.003 amperes
B3,000,000 amperes
C3 amperes
D0.3 amperes

20. - T5C07

What is the abbreviation for megahertz?

SelectAnswer
Amh
BMHz
CMH
DMhz

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

SelectAnswer
A16 ohms
B3 ohms
C8 ohms
D48 ohms

22. - T6A03

What electrical parameter is controlled by a potentiometer?

SelectAnswer
ACapacitance
BResistance
CInductance
DField strength

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

SelectAnswer
AEmitter, base, collector
BSignal, bias, power
CInput, output, supply
DPole one, pole two, output

24. - T6C07

What is component 8 in figure T-2?

SelectAnswer
AResistor
BLight emitting diode
CRegulator IC
DInductor

25. - T6D11

Which of the following is a resonant or tuned circuit?

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

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

SelectAnswer
AOscillation
BLow-pass filtering
CModulation
DImpedance matching

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

SelectAnswer
AImmediately turn off your transmitter and contact the nearest FCC office for assistance
BInstall a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
CAll these choices are correct
DMake sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

28. - T7C06

What does an SWR reading of 4:1 indicate?

SelectAnswer
AGood impedance match
BGain of +4 dB
CLoss of -4 dB
DImpedance mismatch

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

SelectAnswer
AExcessive solder
BA bright or shiny surface
CDark black spots
DA rough or lumpy surface

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

SelectAnswer
AFM
BPM
CDRM
DSSB

31. - T8B06

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

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D03

What kind of data can be transmitted by APRS?

SelectAnswer
AGPS position data
BText messages
CAll these choices are correct
DWeather data

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

SelectAnswer
AIt has low efficiency
BAll these choices are correct
CIt transmits only circularly polarized signals
DIt is mechanically fragile

35. - T9B05

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

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

Figure T-2