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. - T0A12

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

Select	Answer
A	Ensure that the voltmeter has very low impedance
B	Ensure that the circuit is grounded through the voltmeter
C	Ensure that the voltmeter is set to the correct frequency
D	Ensure that the voltmeter and leads are rated for use at the voltages to be measured

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When the work being done is not more than 20 feet above the ground
B	Never
C	When no mechanical work is being performed
D	When no electrical work is being performed

3. - T0C08

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

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

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each band on which the person plans to operate
B	One
C	One for each permanent station location from which the person plans to operate
D	No more than two

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.300 MHz to 28.500 MHz
B	28.100 MHz to 28.300 MHz
C	28.500 MHz to 28.600 MHz
D	28.050 MHz to 28.150 MHz

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Three years
B	Ten years
C	Five years
D	Two years

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmitted power level is below 1 watt
B	When the transmissions are of a brief nature to make station adjustments
C	When the transmissions are unmodulated
D	When transmitting signals to control model craft

8. - T1E05

What is an amateur station’s control point?

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

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Amateur radio communications where three stations are in communications with one another
B	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
C	Operation when the transmitting equipment is licensed to a person other than the control operator
D	A message from a control operator to another amateur station control operator on behalf of another person

10. - T2A03

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

Select	Answer
A	Plus or minus 1 MHz
B	Plus or minus 600 kHz
C	Plus or minus 500 kHz
D	Plus or minus 5 MHz

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QRM
B	QRN
C	QTH
D	QSB

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only in situations involving the immediate safety of human life or protection of property
B	Yes, but only when part of a RACES emergency plan
C	Yes, but only when part of a FEMA emergency plan
D	No

13. - T3A01

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

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

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the magnetic field
B	The orientation of the electric field
C	The ratio of the energy in the magnetic field to the energy in the electric field
D	The ratio of the velocity to the wavelength

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 4 amperes
B	13.8 volts at 12 amperes
C	13.8 volts at 4 amperes
D	24.0 volts at 12 amperes

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The DMR software version
B	Access information for repeaters and talkgroups
C	The codec for digitizing audio
D	Your call sign in CW for automatic identification

18. - T5A03

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

Select	Answer
A	Voltage
B	Current
C	Capacitance
D	Resistance

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	0.02 watts
B	50 watts
C	5 watts
D	0.5 watts

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The ohm
B	The coulomb
C	The ampere
D	The volt

21. - T5D14

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

Select	Answer
A	Parallel
B	Branch
C	Resonant
D	Series

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Thyratron
B	All these choices are correct
C	Fuse
D	Varactor

23. - T6B08

What does the abbreviation FET stand for?

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

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	All these choices are correct
B	Physical appearance of components
C	Wire lengths
D	Component connections

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Meter
C	Potentiometer
D	Relay

26. - T7A05

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

Select	Answer
A	Oscillator
B	Low-pass filter
C	Reactance modulator
D	Phase modulator

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

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Attempting to measure voltage when using the resistance setting
B	Failing to connect one of the probes to ground
C	Not allowing it to warm up properly
D	Attempting to measure resistance using the voltage setting

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Voice quality is poorer
B	All these choices are correct
C	FM signals are harder to tune
D	Only one signal can be received at a time

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Rotation of the satellite and its antennas
B	Interfering signals within the satellite uplink band
C	Doppler shift of the received signal
D	Circular polarized noise interference radiated from the sun

32. - T8C09

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

Select	Answer
A	EchoLink
B	DMR
C	D-STAR
D	IRLP

33. - T8D09

What is CW?

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

34. - T9A11

What is antenna gain?

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

35. - T9B04

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

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