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. - T0A11

What hazard exists in a power supply immediately after turning it off?

Select	Answer
A	Charge stored in filter capacitors
B	Circulating currents in the dc filter
C	Voltage transients from kickback diodes
D	Leakage flux in the power transformer

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna will not work properly because of induced voltages
B	The antenna could contact high-voltage power lines
C	The 60 Hz radiations from the feed line may increase the SWR
D	All these choices are correct

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	There is no adjustment allowed for lower duty cycle
B	It decreases by 50 percent
C	It increases by a factor of 2
D	It increases by a factor of 3

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	A printed copy of the certificate of successful completion of examination
B	The license appears in the FCC ULS database
C	An email notification from the NCVEC granting the license
D	All these choices are correct

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.100 MHz to 28.300 MHz
B	28.050 MHz to 28.150 MHz
C	28.300 MHz to 28.500 MHz
D	28.500 MHz to 28.600 MHz

6. - T1C03

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

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

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	International Morse Code Practice
B	In all circumstances
C	Broadcasting
D	Telecommand or transmissions of telemetry

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station licensee
B	The third party participant
C	The person operating the station equipment
D	The station custodian

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least once during each transmission
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least every 10 minutes during and at the end of a communication

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Call on the quarter hour
B	Test transmission, no reply expected
C	Only the called station should transmit
D	Calling any station

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A system of repeaters linked by APRS
B	Multiple repeaters with the same control operator
C	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
D	A single repeater with more than one receiver

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Passing messages exactly as received
B	Making decisions as to whether messages are worthy of relay or delivery
C	Ensuring that any newsworthy messages are relayed to the news media
D	All these choices are correct

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	Alternating transmissions during a net operation
D	Local vs long-distance communications

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 meters per second
B	150,000 miles per hour
C	300,000,000 meters per second
D	300,000,000 miles per hour

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	F2 region refraction
B	D region refraction
C	Faraday rotation
D	Tropospheric ducting

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. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The keypad or VFO knob
B	The CTCSS or DTMF encoder
C	All these choices are correct
D	The Automatic Frequency Control

18. - T5A03

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

Select	Answer
A	Capacitance
B	Resistance
C	Voltage
D	Current

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	0.001 microfarads
B	1,000,000,000 microfarads
C	1 microfarad
D	1000 microfarads

20. - T5C01

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

Select	Answer
A	Inductance
B	Resistance
C	Tolerance
D	Capacitance

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	20 volts
B	0.2 volts
C	12 volts
D	8 volts

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole single-throw
B	Single-pole double-throw
C	Double-pole double-throw
D	Double-pole single-throw

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transistor
B	Reactor
C	Transformer
D	Resistor

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Battery
D	Ground symbol

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	Zener diode
C	LED
D	FET

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the mode of the transmitted signal
B	Change the frequency range of the amplifier to operate in the proper segment of the band
C	Set the amplifier for proper operation in the selected mode
D	Reduce the received signal noise

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	All these choices are correct
B	Your batteries are running low
C	Your transmitter is slightly off frequency
D	You are in a bad location

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Acid-core solder
B	Lead-tin solder
C	Tin-copper solder
D	Rosin-core solder

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Voice quality is poorer
B	All these choices are correct
C	FM signals are harder to tune
D	Only one signal can be received at a time

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

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

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
B	A system for informing amateurs in real time of the frequency of active DX stations
C	A technique for measuring signal strength of an amateur transmitter via the internet
D	A system for providing access to websites via amateur radio

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

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	UHF (PL-259/SO-239)
B	Type N
C	DB-25
D	RS-213

Figure T-2

Figure T-1