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 remove power in case of overload
C	To limit current to prevent shocks
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	Ensure that connections are short and direct
B	Make sure all ground wire bends are right angles
C	Put a drip loop in the ground connection to prevent water damage to the ground system
D	All these choices are correct

3. - T0C05

Why do exposure limits vary with frequency?

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

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 bulletin sent by the FCC to announce a national emergency
D	A government transmitter marking the amateur radio band edges

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
B	U.S. amateurs must give foreign amateur stations priority in those segments
C	Digital transmissions are not permitted in those segments
D	International communications are not permitted in those segments

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
B	From within any country that is a member of the United Nations
C	From any vessel or craft located in international waters and documented or registered in the United States
D	From within any country that belongs to the International Telecommunication Union

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When the music is transmitted above 1280 MHz
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When the music produces no spurious emissions
D	When transmissions are limited to less than three minutes per hour

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Repeater operation
B	Operating the station over the internet
C	All these choices are correct
D	Controlling a model aircraft, boat, or car by amateur radio

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the ITU
B	English, French, or Spanish
C	Any language recognized by the United Nations
D	English

10. - T2A03

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

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

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For contest operation
B	So stations within range of each other can communicate without tying up a repeater
C	For working DX only
D	So stations with simple transmitters can access the repeater without automated offset

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	All these choices are correct
B	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
C	Choose the regular net meeting time and frequency
D	Call the net to order and direct communications between stations checking in

13. - T3A06

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

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

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	All these choices are correct
B	23 centimeters
C	6 and 10 meters
D	70 centimeters and 1.25 meters

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	To any metal part of the vehicle
B	At the antenna mount
C	At the 12 volt battery chassis ground
D	Through the transceiver’s mounting bracket

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn on the anti-squelch function
B	Set the squelch threshold so that receiver output audio is on all the time
C	Enable squelch enhancement
D	Turn up the audio level until it overcomes the squelch threshold

18. - T5A03

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

Select	Answer
A	Capacitance
B	Current
C	Voltage
D	Resistance

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	24.25 GHz
C	2.425 GHz
D	2425 GHz

20. - T5C12

What is impedance?

Select	Answer
A	The power handling capability of a component
B	The opposition to AC current flow
C	The Q or Quality Factor of a component
D	The inverse of resistance

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Series
B	Resonant
C	Branch
D	Parallel

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Varistor
B	Capacitor
C	Inductor
D	Diode

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Bipolar junction
B	Tesla-effect
C	Field-effect
D	Varistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Indicator lamp
D	Connector

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A circuit designed to provide high-fidelity audio
B	An inductor and a capacitor in series or parallel
C	A linear voltage regulator
D	A resistor circuit used for reducing standing wave ratio

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Transverter
B	Low-pass filter
C	High-pass filter
D	Phase converter

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Change to a higher power level
B	Let the transceiver cool off
C	Talk louder into the microphone
D	Talk farther away from the microphone

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Good impedance match
B	Loss of -4 dB
C	Impedance mismatch
D	Gain of +4 dB

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A11

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

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The Keplerian elements
B	All these choices are correct
C	The last observed time of zero Doppler shift
D	The satellite transmitted power

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D11

What is an ARQ transmission system?

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

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	The SWR might decrease, decreasing the signal strength
B	The bandwidth of the antenna will decrease, increasing SWR
C	All these choices are correct
D	Signal strength is reduced due to the shielding effect of the vehicle

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	600 ohms
B	8 ohms
C	50 ohms
D	12 ohms

Figure T-1