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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
B	Ensure that the voltmeter is set to the correct frequency
C	Ensure that the voltmeter has very low impedance
D	Ensure that the circuit is grounded through the voltmeter

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Secure the guy line if the turnbuckle breaks
B	Provide a ground path for lightning strikes
C	Prevent loosening of the turnbuckle from vibration
D	Provide an ability to measure for proper tensioning

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields have more energy than higher frequency fields
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. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	A radio service using amateur stations for emergency management or civil defense communications
B	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
C	All these choices are correct
D	A radio service using amateur frequencies for emergency management or civil defense communications

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	International communications are not permitted in those segments
C	Digital transmissions are not permitted in those segments
D	U.S. amateurs must give foreign amateur stations priority in those segments

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
B	Failure to obtain FCC type acceptance prior to using a home-built transmitter
C	Failure to provide and maintain a correct email address with the FCC
D	Failure to have a copy of your license available at your station

7. - T1D04

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

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

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	Only an Amateur Extra Class operator
D	A General class or higher licensee with a satellite operator certification

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	At the end of each communication and every ten minutes during a communication
B	Once during every hour
C	At the end of every transmission
D	Never, the tactical call is sufficient

10. - T2A05

How should you respond to a station calling CQ?

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

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	Your transmit power is too high
C	You need to talk louder
D	You are talking too loudly

12. - T2C02

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

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	The modulation sidebands might become inverted
B	Received signal strength is reduced
C	Nothing significant will happen
D	Signals have an echo effect

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are at right angles
B	They revolve in opposite directions
C	They are in parallel
D	They travel at different speeds

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A10

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

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

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. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Siemens
B	Ohms
C	Mhos
D	Coulombs

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3,525,000 kHz
B	0.003525 kHz
C	3525 kHz
D	35.25 kHz

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Capacitance
B	Tolerance
C	Inductance
D	Resistance

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	8 ohms
B	18 ohms
C	0.125 ohms
D	13.5 ohms

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are each switched between one of two other circuits
B	A single circuit is switched between one of two other circuits
C	A single circuit is opened or closed
D	Two circuits are opened or closed

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It has no impact on the voltage delivered to the load
B	It is proportional to peak inverse voltage
C	It is lower in some diode types than in others
D	It indicates that the diode is defective

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable inductor
B	Variable transformer
C	Variable capacitor
D	Variable resistor

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Diode
C	Variable capacitor
D	Transistor

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for matching feed line impedance to 50 ohms
B	A device for converting receiver and transmitter frequencies to another band
C	A device for automatically sending and decoding Morse code
D	A device that combines a receiver and transmitter

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 farther away from the microphone
D	Talk louder into the microphone

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent over-modulation of a transmitter
B	To prevent transmitting signals over the air when making tests
C	To improve the efficiency of an antenna
D	To improve the signal-to-noise ratio of a receiver

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

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	DRM
B	FM
C	SSB
D	PM

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A sun synchronous satellite
B	A satellite in low earth orbit
C	A highly elliptical orbit satellite
D	A satellite in low energy operation mode

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By using DTMF signals
C	By entering the proper internet password
D	By using CTCSS tone codes

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing voice over internet connection between repeaters
B	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
C	Providing information on the number of stations signed into a repeater
D	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations

34. - T9A11

What is antenna gain?

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

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It can handle more power than any other type of feed line
B	It is less expensive than any other type of feed line
C	It is easy to use and requires few special installation considerations
D	It has less loss than any other type of feed line

Figure T-2