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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	To prevent power supply ripple from damaging a component
B	To limit current to prevent shocks
C	To remove power in case of overload
D	All these choices are correct

2. - T0B01

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

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Non-ionizing radiation
B	Gamma radiation
C	Ionizing radiation
D	Alpha radiation

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	All these choices are correct
B	Homeland Security
C	FEMA
D	The FCC

5. - T1B11

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

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

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Only communications incidental to contest exchanges; all other communications are prohibited
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Communications incidental to conducting business or remarks of a personal nature
D	Any communications that would be permitted by an international broadcast station

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmissions intended for reception by the general public
B	Transmission of messages directed only to amateur operators
C	Two-way transmissions by amateur stations
D	Any transmission made by the licensed station

8. - T1E02

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

Select	Answer
A	Any amateur allowed to transmit on the satellite uplink frequency
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	Only an Amateur Extra Class operator

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slant W3
B	All these choices are correct
C	KL7CC stroke W3
D	KL7CC slash W3

10. - T2A08

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

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

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Use subaudible tones so both stations can share the frequency
B	Interference is inevitable, so no action is required
C	The stations should negotiate continued use of the frequency
D	Both stations should choose another frequency to avoid conflict

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	All these choices are correct
B	Ensuring that any newsworthy messages are relayed to the news media
C	Passing messages exactly as received
D	Making decisions as to whether messages are worthy of relay or delivery

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. - T3B03

What are the two components of a radio wave?

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

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive audio, transmit audio, and transmitter keying
B	Antenna and RF power
C	Receive and transmit mode, status, and location
D	NMEA GPS location and DC power

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits monitoring several modes at once by selecting a separate filter for each mode
B	Permits noise or interference reduction by selecting a bandwidth matching the mode
C	Increases the number of frequencies that can be stored in memory
D	Increases the amount of offset between receive and transmit frequencies

18. - T5A05

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

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

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	3 dB
B	10 dB
C	2 dB
D	5 dB

20. - T5C05

What is the unit of impedance?

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

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	11 volts
B	10 volts
C	9 volts
D	1 volt

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Capacitor
B	Diode
C	Inductor
D	Switch

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Reactor
B	Resistor
C	Transistor
D	Transformer

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D03

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

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

26. - T7A08

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

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

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Ferrite choke
C	Band-pass filter
D	Low-pass filter

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Voltmeter
B	Directional wattmeter
C	Ohmmeter
D	Iambic pentameter

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is operating at the correct frequency
B	Ensure that the circuit is grounded
C	Ensure that the circuit is not powered
D	Ensure that the applied voltages are correct

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	1000 Hz
B	150 Hz
C	2.4 kHz
D	15 kHz

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Possibility of rebooting the satellite control computer
B	Overloading the satellite batteries
C	Possibility of commanding the satellite to an improper mode
D	Blocking access by other users

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A method of delivering voice communications over the internet using digital techniques
B	A set of rules specifying how to identify your station when linked over the internet to another station
C	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet
D	A technique employed to “spot” DX stations via the internet

33. - T8D02

What is a “talkgroup” on a DMR repeater?

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

34. - T9A11

What is antenna gain?

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

35. - T9B06

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

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