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

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
B	A connection between the tower base and a cold water pipe
C	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
D	A ferrite-core RF choke connected between the tower and ground

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation can only be detected with an RF dosimeter
B	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
C	RF radiation is perfectly safe
D	RF radiation is limited in range to a few feet

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

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a General class or higher license
B	Any amateur holding a Technician class or higher license
C	Any amateur holding a General class or higher license who has applied for and received approval from NASA
D	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA

6. - T1C03

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

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

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is made to obtain emergency information for a local broadcast station
B	All these choices are correct
C	When the communication is related to the sale of amateur equipment by the control operator's employer
D	When the communication is incidental to classroom instruction at an educational institution

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	Only the control operator
B	The control operator and the station licensee
C	All licensed amateurs who are present at the operation
D	Only the station licensee

9. - T1F08

What is the definition of third party communications?

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

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit a signal report followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit the other station’s call sign followed by your call sign
D	Transmit your call sign followed by the other station’s call sign

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. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The telephone number of the addressee
B	The address of the intended recipient
C	The email address of the originating station
D	Information needed to track the message

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Alternating transmissions during a net operation
B	Rapid flutter on mobile signals due to multipath propagation
C	A type of ground system used with vertical antennas
D	Local vs long-distance communications

14. - T3B04

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

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Quantum tunneling
B	Faraday rotation
C	Doppler shift
D	Knife-edge diffraction

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	To provide a good counterpoise for the antenna
C	To avoid RF interference
D	All these choices are correct

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Increased SWR
B	All these choices are correct
C	Frequency instability
D	Distorted transmitted audio

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Mercury
C	Aluminum
D	Copper

19. - T5B09

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

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

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	Radio frequency signals of all types
B	The real frequency transmitted as opposed to the apparent frequency
C	The resonant frequency of a tuned circuit
D	Reflective force in antenna transmission lines

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	216 amperes
B	0.1 amperes
C	24,000 amperes
D	10 amperes

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Power resistor
B	Fixed resistor
C	Transformer
D	Potentiometer

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the word "cathode"
B	With the letter K
C	With the letter C
D	With a stripe

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Transistor
C	Capacitor
D	Regulator IC

25. - T6D03

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

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

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	All these choices are correct
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	1:1
C	Full Scale
D	Zero

29. - T7D02

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

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

30. - T8A04

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

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

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	The signal strength of received signals
B	Time of day accurate to plus or minus 1/10 second
C	Health and status of the satellite
D	All these choices are correct

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A directional antenna
B	Calibrated SWR meter
C	A calibrated noise bridge
D	All these choices are correct

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	Automatic repeat request in case of error
B	A header that contains the call sign of the station to which the information is being sent
C	A check sum that permits error detection
D	All these choices are correct

34. - T9A11

What is antenna gain?

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

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Reduced television interference
B	All these choices are correct
C	Reduced signal loss
D	Less antenna wear

Figure T-2