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. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must never be grounded
B	This type of tower must never be painted
C	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
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	It increases by a factor of 2
B	There is no adjustment allowed for lower duty cycle
C	It decreases by 50 percent
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. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Spread spectrum only
B	Fast-scan television only
C	Emergency traffic only
D	Fixed digital message forwarding systems only

6. - T1C03

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

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

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Earth, repeater, or space stations
B	Repeater, auxiliary, or space stations
C	Auxiliary, beacon, or Earth stations
D	Beacon, repeater, or space stations

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The highest class of operator license held by anyone on the premises
C	The frequency authorized by the frequency coordinator
D	The frequencies printed on the license grant

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time upon request by an FCC representative
B	At any time after written notification by the FCC of such inspection
C	At any time ten days after notification by the FCC of such an inspection
D	Only when presented with a valid warrant by an FCC official or government agent

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of available net frequencies
B	A plan devised by a club to indicate frequency band usage
C	A voluntary guideline for using different modes or activities within an amateur band
D	A list of operating schedules

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
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 system of repeaters linked by APRS

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a FEMA emergency plan
B	Yes, but only in situations involving the immediate safety of human life or protection of property
C	No
D	Yes, but only when part of a RACES emergency plan

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	VHF ionospheric propagation is very sensitive to path length
B	Multipath propagation cancels or reinforces signals
C	All these choices are correct
D	The signal path encounters different concentrations of water vapor

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C05

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

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

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To the audio input and output of a computer running WSJT-X software
B	To an FT8 conversion unit, a keyboard, and a computer monitor
C	To a computer running a terminal program and connected to a terminal node controller unit
D	To a computer connected to the FT8converter.com website

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Tunes through a range of frequencies to check for activity
B	Checks incoming signal deviation
C	Checks for messages left on a digital bulletin board
D	Prevents interference to nearby repeaters

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Ohms
C	Volts
D	Watts

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	2.800 MHz
B	28.400 kHz
C	28.400 MHz
D	284.00 MHz

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MH
B	MHz
C	mh
D	Mhz

21. - T5D14

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

Select	Answer
A	Branch
B	Parallel
C	Resonant
D	Series

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Inductor
B	Capacitor
C	Diode
D	Varistor

23. - T6B11

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

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

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Transistor
C	Capacitor
D	Regulator IC

25. - T6D06

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

Select	Answer
A	Diode
B	Transformer
C	Transistor
D	Variable capacitor

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the output of the transmitter power amplifier
B	Between the transmitter and the antenna tuner
C	At the output of the receiver audio amplifier
D	Between the antenna and receiver

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the amateur signal with a filter at the antenna input of the affected receiver
B	Switch the transmitter to a narrow-band mode
C	Block the interfering signal with a filter on the amateur transmitter
D	Switch the transmitter from FM to SSB

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	CW
B	FM voice
C	SSB voice
D	Slow-scan TV

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
B	The satellite frequencies are usually variable
C	The satellite operates using ultraviolet frequencies
D	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

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

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
B	A group of operators sharing common interests
C	A way for groups of users to share a channel at different times without hearing other users on the channel
D	A net that meets at a specified time

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	6
C	236
D	50

35. - T9B08

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

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

Figure T-2