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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause involuntary muscle contractions
B	It may disrupt the electrical functions of cells
C	It may cause injury by heating tissue
D	All these choices are correct

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Provide an ability to measure for proper tensioning
B	Secure the guy line if the turnbuckle breaks
C	Provide a ground path for lightning strikes
D	Prevent loosening of the turnbuckle from vibration

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Increase the duty cycle
B	Relocate the transmitter
C	All these choices are correct
D	Relocate antennas

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	To stop another amateur station that is breaking the FCC rules
B	When making short test transmissions
C	At no time
D	At any time, stations in the Amateur Radio Service are not protected from willful interference

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	200 watts
B	100 watts
C	10 watts
D	50 watts

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to one year
B	Yes, as soon as you apply for renewal
C	Yes, for up to two years
D	No, you must wait until the license has been renewed

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Never
B	When broadcasting communications to or from the space shuttle
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	When such communications are directly related to the immediate safety of human life or protection of property

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The highest class of operator license held by anyone on the premises
B	The class of operator license held by the control operator
C	The frequencies printed on the license grant
D	The frequency authorized by the frequency coordinator

9. - T1F09

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

Select	Answer
A	Repeater station
B	Message forwarding station
C	Earth station
D	Beacon station

10. - T2A06

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

Select	Answer
A	Conduct tests only between 10 p.m. and 6 a.m. local time
B	All these choices are correct
C	Notify the FCC of the transmissions
D	Identify the transmitting station

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s output frequency
B	To reduce power output
C	To increase power output
D	To listen on a repeater’s input frequency

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	A list of stations that have relayed the message
C	A box on the message form that indicates that the message was received and/or relayed
D	The number of words or word equivalents in the text portion of the message

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Horizontal
B	Right-hand circular
C	Left-hand circular
D	Vertical

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Impedance and reactance
B	Electric and magnetic fields
C	Voltage and current
D	Ionizing and non-ionizing radiation

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are absorbed by the ionospheric D region
B	UHF signals are usually not propagated by the ionosphere
C	They are too weak to go very far
D	FCC regulations prohibit them from going more than 50 miles

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Copper braid removed from coaxial cable
B	Steel wire
C	Flat copper strap
D	Twisted-pair cable

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn up the audio level until it overcomes the squelch threshold
B	Turn on the anti-squelch function
C	Set the squelch threshold so that receiver output audio is on all the time
D	Enable squelch enhancement

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Ampere-hours
B	Voltage
C	Inductance
D	Capacitance

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.003 amperes
B	0.3 amperes
C	3 amperes
D	3,000,000 amperes

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Admittance
B	Resistance
C	Inductance
D	Capacitance

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Series
B	Parallel
C	Resonant
D	Branch

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Fixed resistor
B	Power resistor
C	Transformer
D	Potentiometer

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Fast Electron Transistor
B	Field Effect Transistor
C	Free Electron Transmitter
D	Frequency Emission Transmitter

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Indicator lamp
D	Connector

25. - T6D06

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

Select	Answer
A	Transistor
B	Transformer
C	Variable capacitor
D	Diode

26. - T7A07

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

Select	Answer
A	Input for a preamplifier tuning tone
B	Switches transceiver from receive to transmit when grounded
C	Provides a transmit tuning tone when grounded
D	Input for a key used to send CW

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your batteries are running low
B	Your transmitter is slightly off frequency
C	You are in a bad location
D	All these choices are correct

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Solder flux contamination
B	Operation at 100% duty cycle for an extended period
C	Moisture contamination
D	Rapid fluctuation in transmitter output power

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In quadrature
B	In series
C	In parallel
D	In phase

30. - T8A03

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

Select	Answer
A	PM
B	DRM
C	FM
D	SSB

31. - T8B06

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

Select	Answer
A	All these choices are correct
B	The Keplerian elements
C	The satellite transmitted power
D	The last observed time of zero Doppler shift

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	Contact the station twice to be sure that you are in his log
C	All these choices are correct
D	Send only the minimum information needed for proper identification and the contest exchange

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
B	An internet linking protocol used to network repeaters
C	A satellite communications network using modified commercial satellite TV hardware
D	A wide-bandwidth digital voice mode employing DMR protocols

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	236
C	50
D	6

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It automatically selects the proper antenna for the frequency band being used
B	It allows an antenna to be used on both transmit and receive
C	It matches the antenna system impedance to the transceiver's output impedance
D	It helps a receiver automatically tune in weak stations

Figure T-1