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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The power supply ripple would greatly increase
B	All these choices are correct
C	The larger fuse would be likely to blow because it is rated for higher current
D	Excessive current could cause a fire

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FCC Part 97 rules
B	UL recommended practices
C	Local electrical codes
D	FAA tower lighting regulations

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	All these choices are correct
B	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
C	By informing the FCC of any changes made in your station
D	By making sure your antennas have low SWR

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when in contact with foreign stations
B	It is required when transmitting emergency messages
C	It is encouraged
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	Emergency traffic only
B	Spread spectrum only
C	Fast-scan television only
D	Fixed digital message forwarding systems only

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	KA1X
B	KF1XXX
C	W1XX
D	All these choices are correct

7. - T1D04

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

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	A control operator is required at all times
B	The control operator must indirectly manipulate the controls
C	All these choices are correct
D	The control operator must be at the control point

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
B	Operation when the transmitting equipment is licensed to a person other than the control operator
C	Amateur radio communications where three stations are in communications with one another
D	A message from a control operator to another amateur station control operator on behalf of another person

10. - T2A10

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

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

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	You are using the wrong DCS code
B	All these choices are correct
C	Improper transceiver offset
D	You are using the wrong CTCSS tone

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special ARES rules
B	When operating under special FEMA rules
C	FCC rules always apply
D	When operating a RACES station

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	Digital modes are unusable
D	Either vertically or horizontally polarized antennas may be used for transmission or reception

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	Channel numbers
B	All these choices are correct
C	The approximate wavelength in meters
D	Traditional letter/number designators

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	FCC regulations prohibit them from going more than 50 miles
B	UHF signals are absorbed by the ionospheric D region
C	UHF signals are usually not propagated by the ionosphere
D	They are too weak to go very far

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The types of modulation being used at the station
B	The distance that the meter will be located from the antenna
C	All these choices are correct
D	The frequency and power level at which the measurements will be made

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Your call sign in CW for automatic identification
B	The codec for digitizing audio
C	The DMR software version
D	Access information for repeaters and talkgroups

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Hertz
B	Tesla
C	Farad
D	Henry

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One million volts
B	One thousand kilovolts
C	One one-thousandth of a volt
D	One one-millionth of a volt

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The ampere
B	The coulomb
C	The volt
D	The ohm

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	1.5 volts
B	2.5 volts
C	1 volt
D	0.25 volts

22. - T6A12

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

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

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Source and drain
B	Anode and cathode
C	Gate and base
D	Plus and minus

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Capacitor
C	Regulator IC
D	Transistor

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Resistor
B	Capacitor
C	Zener diode
D	Potentiometer

26. - T7A02

What is a transceiver?

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

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Immediately turn off your transmitter and contact the nearest FCC office for assistance
B	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
C	All these choices are correct
D	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can damage the jacket and allow water to enter the cable
B	Ultraviolet resistant jackets prevent harmonic radiation
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet light can increase losses in the cable’s jacket

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A voltmeter
B	An ohmmeter
C	A wavemeter
D	An ammeter

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	AM
B	SSB
C	FM or PM
D	PSK

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Circular polarized noise interference radiated from the sun
B	Doppler shift of the received signal
C	Interfering signals within the satellite uplink band
D	Rotation of the satellite and its antennas

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	FT8
B	All these choices are correct
C	Packet radio
D	IEEE 802.11

34. - T9A11

What is antenna gain?

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

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It matches the antenna system impedance to the transceiver's output impedance
B	It automatically selects the proper antenna for the frequency band being used
C	It helps a receiver automatically tune in weak stations
D	It allows an antenna to be used on both transmit and receive

Figure T-2