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. - 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. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Advancing skills in the technical and communication phases of the radio art
B	All these choices are correct
C	Providing communications for international non-profit organizations
D	Providing personal radio communications for as many citizens as possible

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	49.00 MHz
B	52.525 MHz
C	222.15 MHz
D	28.50 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	No, you must wait until the license has been renewed
B	Yes, as soon as you apply for renewal
C	Yes, for up to two years
D	Yes, for up to one year

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	There is no such prohibition
B	Any such language is prohibited
C	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
D	The ITU maintains a list of words that are not permitted to be used on amateur frequencies

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	Both the originating station and the repeater owner
B	The control operator of the repeater
C	The control operator of the originating station
D	The owner of the repeater

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 5 MHz
B	Plus or minus 500 kHz
C	Plus or minus 1 MHz
D	Plus or minus 600 kHz

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 reduce power output
D	To listen on a repeater’s input frequency

12. - T2C10

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

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

13. - T3A06

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

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

14. - T3B08

What frequency range is referred to as VHF?

Select	Answer
A	300 kHz to 3000 kHz
B	30 MHz to 300 MHz
C	300 MHz to 3000 MHz
D	30 kHz to 300 kHz

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They occur only during winter nighttime hours
B	They are distorted and signal strength varies considerably
C	They are generally strongest when your antenna is aimed west
D	They are often received from 10,000 miles or more

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	High-speed digital communications for meteor scatter
B	Communication using digital voice or data systems via the internet
C	RTTY encoding and decoding without a computer
D	FT8 digital communications via AFSK

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your output power
B	The codec type being used
C	All these choices are correct
D	Your call sign

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Ohms
B	Volts
C	Amperes
D	Watts

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	28 dB
B	18 dB
C	12 dB
D	10 dB

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	4.8 watts
B	30 watts
C	0.208 watts
D	14.5 watts

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E / I
B	R = E - I
C	R = E x I
D	R = E + I

22. - T6A07

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

Select	Answer
A	Capacitor
B	Switch
C	Inductor
D	Diode

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	On resistance
B	Forward resistance
C	Forward voltage drop
D	Gain

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Variable inductor
C	Connector
D	Meter

25. - T6D09

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

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

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. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The deviation of an FM transmitter is set too low
B	The receiver is unable to reject strong signals outside the AM or FM band
C	The microphone gain of the transmitter is turned up too high
D	The audio amplifier of the transmitter is overloaded

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	Full Scale
C	Zero
D	1:1

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Attempting to measure resistance using the voltage setting
B	Attempting to measure voltage when using the resistance setting
C	Not allowing it to warm up properly
D	Failing to connect one of the probes to ground

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	About 6 MHz
C	More than 10 MHz
D	About 1 MHz

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	Possibility of commanding the satellite to an improper mode
C	Blocking access by other users
D	Overloading the satellite batteries

32. - T8C03

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

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

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	All these choices are correct
B	GPS position data
C	Weather data
D	Text messages

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has more gain than a 1/4-wavelength antenna
B	It has 10 times the power gain of a 1/4 wavelength whip
C	It radiates at a very high angle
D	It eliminates distortion caused by reflected signals

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	High SWR
B	Multiple connectors in the line
C	Water intrusion into coaxial connectors
D	All these choices are correct

Figure T-3