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

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

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1. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Neutral
B	Black insulation is never used
C	Equipment ground
D	Hot

2. - T0B06

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

Select	Answer
A	1/2 wavelength at the operating frequency
B	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
C	The height of the power line above ground
D	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires

3. - T0C11

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

Select	Answer
A	The percentage of time that a transmitter is not transmitting
B	The difference between the PEP and average power output of a transmitter
C	The difference between the lowest power output and the highest power output of a transmitter
D	The percentage of time that a transmitter is transmitting

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A bulletin sent by the FCC to announce a national emergency
B	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
C	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
D	A government transmitter marking the amateur radio band edges

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only in sub-bands allocated to General class or higher licensees
B	In at least some segment of all these bands
C	Only on repeaters
D	On any band if the power is limited to 25 watts

6. - T1C06

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

Select	Answer
A	From within any country that belongs to the International Telecommunication Union
B	From within any country that is a member of the United Nations
C	From any vessel or craft located in international waters and documented or registered in the United States
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	All these choices are correct
C	When the communication is made to obtain emergency information for a local broadcast station
D	When the communication is related to the sale of amateur equipment by the control operator's employer

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The mailing address of the station licensee
B	The location of the station’s transmitting apparatus
C	The location of the station’s transmitting antenna
D	The location at which the control operator function is performed

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	Only when presented with a valid warrant by an FCC official or government agent
B	At any time after written notification by the FCC of such inspection
C	At any time ten days after notification by the FCC of such an inspection
D	At any time upon request by an FCC representative

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Only the called station should transmit
B	Calling any station
C	Test transmission, no reply expected
D	Call on the quarter hour

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce interference from impulse noise
B	Eliminate parasitic oscillations in an RF amplifier
C	Mute the receiver audio when a signal is not present
D	Reduce a CW transmitter's key clicks

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	Messages exchanged by net stations
B	The number of stations checking in and out of a net
C	Operation by mobile or portable stations
D	Requests to activate the net by a served agency

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	All these choices are correct
B	VHF ionospheric propagation is very sensitive to path length
C	The signal path encounters different concentrations of water vapor
D	Multipath propagation cancels or reinforces signals

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets longer as frequency increases
B	Wavelength and frequency increase as path length increases
C	Wavelength gets shorter as frequency increases
D	Wavelength and frequency are unrelated

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	6 meters
B	33 centimeters
C	2 meters
D	70 centimeters

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The frequency and power level at which the measurements will be made
B	The types of modulation being used at the station
C	All these choices are correct
D	The distance that the meter will be located from the antenna

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The tone squelch
B	The bandwidth selection
C	The RIT or Clarifier
D	The AGC or limiter

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Current
B	Capacitance
C	Resistance
D	Voltage

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1,000,000,000 microfarads
B	1 microfarad
C	0.001 microfarads
D	1000 microfarads

20. - T5C01

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

Select	Answer
A	Capacitance
B	Tolerance
C	Resistance
D	Inductance

21. - T5D08

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

Select	Answer
A	0.5 amperes
B	100 amperes
C	2 amperes
D	20,000 amperes

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Oscillator
B	Potentiometer
C	Capacitor
D	Resistor

23. - T6B07

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

Select	Answer
A	Capacitively-coupled RF signal
B	Inductively-coupled RF signal
C	Reverse current
D	Forward current

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable transformer
B	Variable capacitor
C	Variable inductor
D	Variable resistor

25. - T6D03

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

Select	Answer
A	To prevent coupling of unwanted signals to or from the wire
B	To increase the current carrying capability of the wire
C	To decrease the resistance of DC power connections
D	To couple the wire to other signals

26. - T7A08

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

Select	Answer
A	Oscillation
B	Impedance matching
C	Low-pass filtering
D	Modulation

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Using double-shielded coaxial cable
B	Installing bypass capacitors on the microphone cable
C	Installing a band-reject filter
D	Installing an RF preamplifier

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is converted into heat
B	It is radiated as harmonics
C	It distorts the signal
D	It increases the SWR

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Signal strength and noise
B	Voltage and resistance
C	All these choices are correct
D	Impedance and reactance

30. - T8A06

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

Select	Answer
A	Upper sideband
B	Suppressed sideband
C	Lower sideband
D	Inverted sideband

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	SSB
B	FM
C	All these choices are correct
D	CW/data

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A system for informing amateurs in real time of the frequency of active DX stations
C	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
D	A system for providing access to websites via amateur radio

33. - T8D09

What is CW?

Select	Answer
A	A technique for coil winding
B	A type of electromagnetic propagation
C	A digital mode used primarily on 2 meter FM
D	Another name for a Morse code transmission

34. - T9A11

What is antenna gain?

Select	Answer
A	The increase in signal strength in a specified direction compared to a reference antenna
B	The additional power that is added to the transmitter power
C	The increase in impedance on receive or transmit compared to a reference antenna
D	The additional power that is required in the antenna when transmitting on a higher frequency

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	Multiple connectors in the line
B	Water intrusion into coaxial connectors
C	High SWR
D	All these choices are correct

Figure T-2