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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may disrupt the electrical functions of cells
B	It may cause injury by heating tissue
C	All these choices are correct
D	It may cause involuntary muscle contractions

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 60 Hz radiations from the feed line may increase the SWR
C	The antenna could contact high-voltage power lines
D	All these choices are correct

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate the transmitter
B	All these choices are correct
C	Relocate antennas
D	Increase the duty cycle

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
B	FCC Regional Field Office
C	The FCC Office of Spectrum Management and Coordination Policy
D	The local chapter of the Office of National Council of Independent Frequency Coordinators

5. - T1B01

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

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

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

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	Never
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting antenna
B	The location of the station’s transmitting apparatus
C	The mailing address of the station licensee
D	The location at which the control operator function is performed

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	All these choices are correct
B	The club must be registered with the American Radio Relay League
C	The club must have at least four members
D	The trustee must have an Amateur Extra Class operator license grant

10. - T2A01

What is a common repeater frequency offset in the 2 meter 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. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	DTMF
B	Carrier squelch
C	Tone burst
D	CTCSS

12. - T2C01

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

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

13. - T3A01

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

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

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in hertz multiplied by 300
B	Wavelength in meters equals 300 divided by frequency in megahertz
C	Wavelength in meters equals frequency in hertz divided by 300
D	Wavelength in meters equals frequency in megahertz divided by 300

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	At the power supply output
C	In the power supply cable, as close as possible to the radio
D	In parallel with the push-to-talk line and the antenna

17. - T4B07

What does a DMR “code plug” contain?

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

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have relatively high density
B	They have many free protons
C	All these choices are correct
D	They have many free electrons

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-1 dB
B	-3 dB
C	-6 dB
D	-9 dB

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The henry
B	The ohm
C	The volt
D	The farad

21. - T5D01

What formula is used to calculate current in a circuit?

Select	Answer
A	I = E - R
B	I = E  R
C	I = E + R
D	I = E / R

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Capacitance
C	Field strength
D	Resistance

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 indicates that the diode is defective
C	It is proportional to peak inverse voltage
D	It is lower in some diode types than in others

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Schematic
B	Flow chart
C	Connector pinout
D	Bill of materials

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Regulator
B	Phase inverter
C	Filter
D	Oscillator

26. - T7A02

What is a transceiver?

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

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Make sure your station meets the standards of good amateur practice
B	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
C	All these choices are correct
D	Work with your neighbor to identify the offending device

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Voltmeter
B	Iambic pentameter
C	Ohmmeter
D	Directional wattmeter

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Excessive solder
B	Dark black spots
C	A rough or lumpy surface
D	A bright or shiny surface

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Less than 500 Hz
C	Between 50 and 125 kHz
D	Between 10 and 15 kHz

31. - T8B10

What is a LEO satellite?

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	GPS position data
B	Weather data
C	Text messages
D	All these choices are correct

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Shortening it
B	Inserting coils in series with radiating wires
C	Lengthening it
D	Adding capacitive loading to the ends of the radiating wires

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Local thunderstorm
C	Loose connection in the antenna or feed line
D	Over-modulation