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

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Make sure all ground wire bends are right angles
B	Put a drip loop in the ground connection to prevent water damage to the ground system
C	All these choices are correct
D	Ensure that connections are short and direct

3. - T0C08

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

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

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when in contact with foreign stations
B	All these choices are correct
C	It is encouraged
D	It is required when transmitting emergency messages

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	2 meters
B	6 meters
C	20 meters
D	70 centimeters

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	All these choices are correct
B	KA1X
C	W1XX
D	KF1XXX

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Earth, repeater, or space stations
B	Beacon, repeater, or space stations
C	Repeater, auxiliary, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	As part of a multi-operator contest team
B	At no time
C	When using a club station whose trustee holds an Amateur Extra Class license
D	When designated as the control operator by an Amateur Extra Class licensee

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The club must be registered with the American Radio Relay League
B	The trustee must have an Amateur Extra Class operator license grant
C	All these choices are correct
D	The club must have at least four members

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of operating schedules
B	A plan devised by a club to indicate frequency band usage
C	A list of available net frequencies
D	A voluntary guideline for using different modes or activities within an amateur band

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Sign your call after the courtesy tone
B	Program your radio with the group’s ID or code
C	Register your radio with the local FCC office
D	Join the repeater owner’s club

12. - T2C11

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

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Nothing significant will happen
B	Signals have an echo effect
C	Received signal strength is reduced
D	The modulation sidebands might become inverted

14. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed of sound
B	Speed inversely proportional to its wavelength
C	Speed that increases as the frequency increases
D	Speed of light

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are blocked by dust particles
C	Radio waves are not blocked by dust particles
D	The atmosphere refracts radio waves slightly

16. - T4A08

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

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

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	5000 Hz
B	1000 Hz
C	2400 Hz
D	500 Hz

18. - T5A03

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

Select	Answer
A	Voltage
B	Resistance
C	Capacitance
D	Current

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C03

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

Select	Answer
A	Admittance
B	Resistance
C	Inductance
D	Capacitance

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	0.25 volts
B	1 volt
C	1.5 volts
D	2.5 volts

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Nickel-cadmium
B	Carbon-zinc
C	Lithium-ion
D	Lead-acid

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Pentagrid converter
B	Alternator
C	Transistor
D	Triode

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Ground symbol
B	Transistor
C	Resistor
D	Battery

25. - T6D02

What is a relay?

Select	Answer
A	An inverting amplifier
B	A pass transistor
C	A current controlled amplifier
D	An electrically-controlled switch

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	A voltage divider
B	An impedance network
C	All these choices are correct
D	An RF power amplifier

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the amateur signal with a filter at the antenna input of the affected receiver
B	Switch the transmitter from FM to SSB
C	Switch the transmitter to a narrow-band mode
D	Block the interfering signal with a filter on the amateur transmitter

28. - T7C09

Which of the following causes failure of coaxial cables?

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Tin-copper solder
B	Acid-core solder
C	Lead-tin solder
D	Rosin-core solder

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals have narrower bandwidth
B	All these choices are correct
C	SSB signals are easier to tune in correctly
D	SSB signals are less susceptible to interference

31. - T8B05

What is a satellite beacon?

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

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Purchase a license to use the EchoLink software
B	All these choices are correct
C	Register your call sign and provide proof of license
D	Complete the required EchoLink training

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	A Normal Transmission mode in Static Circuit
C	A special mode for satellite uplink
D	An analog fast-scan color TV signal

34. - T9A09

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

Select	Answer
A	236
B	112
C	6
D	50

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	Type N
B	RS-213
C	UHF (PL-259/SO-239)
D	DB-25

Figure T-1