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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Overheating or out-gassing
B	Half-wave rectification
C	Inverse memory effect
D	Excess output ripple

2. - T0B10

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

Select	Answer
A	Sharp bends must be avoided
B	Use only non-insulated wire
C	Common grounds must be avoided
D	Wires must be carefully routed with precise right-angle bends

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	The human body absorbs more RF energy at some frequencies than at others
B	Higher frequency RF fields are transient in nature
C	Lower frequency RF fields have more energy than higher frequency fields
D	Lower frequency RF fields do not penetrate the human body

4. - T1A08

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

Select	Answer
A	Volunteer Frequency Coordinator recognized by local amateurs
B	International Telecommunication Union
C	Frequency Spectrum Manager appointed by the FCC
D	FCC Regional Field Office

5. - T1B06

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

Select	Answer
A	10 meter band only
B	None
C	30 meter band only
D	80 meter, 40 meter, 15 meter, and 10 meter bands

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Life
B	Five years
C	Eight years
D	Ten years

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting control commands to space stations or radio control craft
B	Only when transmitting certain approved digital codes
C	Only during contests
D	Never

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Only an Amateur Extra Class operator
B	Only an Amateur Extra Class operator who is also an AMSAT member
C	A General class or higher licensee with a satellite operator certification
D	Any amateur allowed to transmit on the satellite uplink frequency

9. - T1F01

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

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

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Listen first to be sure that no one else is using the frequency
B	Ask if the frequency is in use
C	All these choices are correct
D	Make sure you are authorized to use that frequency

11. - T2B01

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

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

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

13. - T3A02

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

Select	Answer
A	Polarization rotation
B	Absorption
C	Amplification
D	Knife-edge diffraction

14. - T3B01

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

Select	Answer
A	They are in parallel
B	They are at right angles
C	They revolve in opposite directions
D	They travel at different speeds

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Temperature inversions in the atmosphere
B	Updrafts from hurricanes and tornadoes
C	Discharges of lightning during electrical storms
D	Sunspots and solar flares

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In parallel with the push-to-talk line and the antenna
B	At the power supply output
C	In the power supply cable, as close as possible to the radio
D	In the feed line, between the transmitter and antenna

17. - T4B09

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

Select	Answer
A	By retrieving the frequencies from transceiver memory
B	By activating automatic identification
C	By enabling the group’s CTCSS tone
D	By entering the group’s identification code

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Copper
C	Aluminum
D	Mercury

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One one-millionth of a volt
B	One thousand kilovolts
C	One million volts
D	One one-thousandth of a volt

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	3.8 watts
B	138 watts
C	23.8 watts
D	0.7 watts

21. - T5D14

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

Select	Answer
A	Series
B	Resonant
C	Parallel
D	Branch

22. - T6A09

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

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

23. - T6B05

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

Select	Answer
A	Field-effect
B	Varistor
C	Tesla-effect
D	Bipolar junction

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Connector pinout
B	Flow chart
C	Bill of materials
D	Schematic

25. - T6D04

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

Select	Answer
A	Potentiometer
B	Relay
C	Transistor
D	Meter

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the transmitter and the antenna tuner
B	Between the antenna and receiver
C	At the output of the receiver audio amplifier
D	At the output of the transmitter power amplifier

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Work with your neighbor to identify the offending device
B	Make sure your station meets the standards of good amateur practice
C	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
D	All these choices are correct

28. - T7C07

What happens to power lost in a feed line?

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

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Packet radio
C	Single sideband
D	Phase shift keying (PSK)

31. - T8B05

What is a satellite beacon?

Select	Answer
A	An indicator light that shows where to point your antenna
B	A reflective surface on the satellite
C	A transmission from a satellite that contains status information
D	The primary transmit antenna on the satellite

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Simulated emergency exercises
C	Public service events
D	Net operations

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A group of operators sharing common interests
B	A way for groups of users to share a channel at different times without hearing other users on the channel
C	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
D	A net that meets at a specified time

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	112
B	12
C	19
D	50

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	A measure of how well a load is matched to a transmission line
B	The ratio of amplifier power output to input
C	An indication of the quality of your station’s ground connection
D	The transmitter efficiency ratio