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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the antenna feed point
B	At the ac power service panel
C	At the output connector of a transceiver
D	On a grounded panel near where feed lines enter the building

2. - T0B05

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

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

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Ionizing radiation
B	Gamma radiation
C	Alpha radiation
D	Non-ionizing radiation

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each band on which the person plans to operate
B	No more than two
C	One for each permanent station location from which the person plans to operate
D	One

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a General class or higher license
B	Any amateur holding a General class or higher license who has applied for and received approval from NASA
C	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
D	Any amateur holding a Technician class or higher license

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
B	From within any country that belongs to the International Telecommunication Union
C	From within any country that is a member of the United Nations
D	From any vessel or craft located in international waters and documented or registered in the United States

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
B	Any such language is prohibited
C	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
D	There is no such prohibition

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	The control operator and the station licensee
B	Only the control operator
C	Only the station licensee
D	All licensed amateurs who are present at the operation

9. - T1F01

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

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

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	Calling any station
D	Only the called station should transmit

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Join the repeater owner’s club
B	Program your radio with the group’s ID or code
C	Sign your call after the courtesy tone
D	Register your radio with the local FCC office

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The number of words or word equivalents in the text portion of the message
B	A box on the message form that indicates that the message was received and/or relayed
C	A list of stations that have relayed the message
D	The call sign of the originating station

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be decreased by a factor equal to the number of separate paths observed
B	No significant changes will occur if the signals are transmitted using FM
C	Error rates are likely to increase
D	Transmission rates must be increased by a factor equal to the number of separate paths observed

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 travel at different speeds
C	They are in parallel
D	They revolve in opposite directions

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are not blocked by dust particles
B	Radio signals move somewhat faster than the speed of light
C	Radio waves are blocked by dust particles
D	The atmosphere refracts radio waves slightly

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Multiply the square of the current rating of the battery by the input resistance of the equipment
B	Multiply the watts per hour consumed by the equipment by the battery power rating
C	Divide the battery ampere-hour rating by the average current draw of the equipment
D	Divide the watt-hour rating of the battery by the peak power consumption of the equipment

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	All these choices are correct
B	The codec type being used
C	Your output power
D	Your call sign

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Ampere-hours
B	Capacitance
C	Voltage
D	Inductance

19. - T5B10

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

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

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	Radio frequency signals of all types
B	The resonant frequency of a tuned circuit
C	Reflective force in antenna transmission lines
D	The real frequency transmitted as opposed to the apparent frequency

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	8 ohms
B	48 ohms
C	3 ohms
D	16 ohms

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Potentiometer
B	Power resistor
C	Transformer
D	Fixed resistor

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Transformer
C	Reactor
D	Transistor

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Multi-pole relay
B	Integrated circuit
C	Transformer
D	Transducer

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Low-pass filter
B	Phase converter
C	Transverter
D	High-pass filter

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Be sure all TV feed line coaxial connectors are installed properly
B	Add a preamplifier to the TV antenna input
C	Add a low-pass filter to the TV antenna input
D	Add a high-pass filter to the TV antenna input

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 light can increase losses in the cable’s jacket
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Alternating between open and short circuit
B	Increasing resistance with time
C	Decreasing resistance with time
D	Steady full-scale reading

30. - T8A02

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

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

31. - T8B10

What is a LEO satellite?

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

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Purchase a license to use the EchoLink software
B	Register your call sign and provide proof of license
C	Complete the required EchoLink training
D	All these choices are correct

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 net that meets at a specified time
C	A way for groups of users to share a channel at different times without hearing other users on the channel
D	A group of operators sharing common interests

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	112
B	12
C	50
D	19

35. - T9B06

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

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

Figure T-2