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. - T0B10

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

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

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	All these choices are correct
D	By informing the FCC of any changes made in your station

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
B	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
C	A government transmitter marking the amateur radio band edges
D	A bulletin sent by the FCC to announce a national emergency

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	50 watts
D	10 watts

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Revocation of the station license or suspension of the operator license
B	Fine and suspension of operator license
C	Revocation of access to the license record in the FCC system
D	Nothing; there is no such requirement

7. - T1D11

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

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

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Controlling a station over the internet
B	Using a computer or other device to send CW automatically
C	Using a computer or other device to identify automatically
D	Repeater operation

9. - T1F09

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

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

10. - T2A12

What should you do before calling CQ?

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

11. - T2B10

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

Select	Answer
A	QRM
B	QRN
C	QSB
D	QTH

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
B	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
C	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
D	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

13. - T3A03

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

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

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. - T3C11

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

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver push-to-talk
B	Computer “line in” to transceiver speaker connector
C	Computer “line out” to transceiver push-to-talk
D	Computer “line out” to transceiver speaker connector

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Tunes through a range of frequencies to check for activity
B	Checks incoming signal deviation
C	Checks for messages left on a digital bulletin board
D	Prevents interference to nearby repeaters

18. - T5A03

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

Select	Answer
A	Voltage
B	Resistance
C	Current
D	Capacitance

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-3 dB
B	-6 dB
C	-1 dB
D	-9 dB

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = I  E
B	P = I + E
C	P = E – I
D	P = E / I

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	200 amperes
B	9600 amperes
C	1.5 amperes
D	0.667 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	Nickel-metal hydride
C	All these choices are correct
D	Lithium-ion

23. - T6B08

What does the abbreviation FET stand for?

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

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Connector
B	Resistor
C	Transistor
D	Battery

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Multi-pole relay
B	Transducer
C	Integrated circuit
D	Transformer

26. - T7A08

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

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

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a low-pass filter to the TV antenna input
B	Add a high-pass filter to the TV antenna input
C	Add a preamplifier to the TV antenna input
D	Be sure all TV feed line coaxial connectors are installed properly

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can damage the jacket and allow water to enter the cable
B	Ultraviolet light can increase losses in the cable’s jacket
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D02

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

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

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

Select	Answer
A	FM or PM
B	AM
C	PSK
D	SSB

31. - T8B05

What is a satellite beacon?

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

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Echolocation
B	Phase locking
C	Radio direction finding
D	Doppler radar

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A special transmission format limited to video signals
B	A method of compressing data using autonomous reiterative Q codes prior to final encoding
C	An error correction method in which the receiving station detects errors and sends a request for retransmission
D	A system used to encrypt command signals to an amateur radio satellite

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	Isotropic
B	Yagi
C	5/8 wave vertical
D	J pole

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-213 cable has less loss at a given frequency
B	RG-58 cable can handle higher power levels
C	RG-58 cable has two shields
D	There is no significant difference between the two types

Figure T-1