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

2. - T0B09

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

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By calculation based on computer modeling
B	By measurement of field strength using calibrated equipment
C	All these choices are correct
D	By calculation based on FCC OET Bulletin 65

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Volunteer Frequency Coordinator recognized by local amateurs
B	FCC Regional Field Office
C	International Telecommunication Union
D	Frequency Spectrum Manager appointed by the FCC

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	2 meters
B	6 meters
C	20 meters
D	70 centimeters

6. - T1C05

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

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

7. - T1D06

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

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

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Repeater operation
B	All these choices are correct
C	Controlling a model aircraft, boat, or car by amateur radio
D	Operating the station over the internet

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign using a CW or phone emission
B	Send the call sign followed by the indicator R
C	Send the call sign followed by the indicator RPT
D	Send the call sign using only a phone emission

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The difference between a repeater’s transmit and receive frequencies
B	The repeater has a time delay to prevent interference
C	The repeater station identification is done on a separate frequency
D	The number of simultaneous transmit frequencies used by a repeater

11. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QSB
B	QRM
C	QRN
D	QTH

12. - T2C11

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

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

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Rapid flutter on mobile signals due to multipath propagation
B	Local vs long-distance communications
C	Alternating transmissions during a net operation
D	A type of ground system used with vertical antennas

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the energy in the magnetic field to the energy in the electric field
B	The orientation of the electric field
C	The orientation of the magnetic field
D	The ratio of the velocity to the wavelength

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of high sunspot activity
B	From shortly after sunset to dawn during periods of low sunspot activity
C	From dawn to shortly after sunset during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of high sunspot activity

16. - T4A09

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

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

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	All these choices are correct
B	Distorted transmitted audio
C	Increased SWR
D	Frequency instability

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Ohms
B	Coulombs
C	Mhos
D	Siemens

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C02

What is the unit of capacitance?

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

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	10 volts
B	9 volts
C	1 volt
D	11 volts

22. - T6A12

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

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

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It is lower in some diode types than in others
B	It has no impact on the voltage delivered to the load
C	It is proportional to peak inverse voltage
D	It indicates that the diode is defective

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Battery
B	Transistor
C	Connector
D	Resistor

25. - T6D06

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

Select	Answer
A	Transformer
B	Diode
C	Transistor
D	Variable capacitor

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Phase splitter
B	Inverter
C	Mixer
D	Amplifier

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Change to a higher power level
B	Talk farther away from the microphone
C	Talk louder into the microphone
D	Let the transceiver cool off

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 light can increase losses in the cable’s jacket
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D09

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

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

30. - T8A05

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

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

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	Maps showing the real-time position of the satellite track over Earth
B	The apparent frequency of the satellite transmission, including effects of Doppler shift
C	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
D	All these choices are correct

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to an azimuth and elevation
B	An instrument for radio direction finding
C	A letter-number designator assigned to a geographic location
D	An instrument for neutralizing a final amplifier

33. - T8D02

What is a “talkgroup” on a DMR repeater?

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

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It eliminates distortion caused by reflected signals
B	It has 10 times the power gain of a 1/4 wavelength whip
C	It radiates at a very high angle
D	It has more gain than a 1/4-wavelength antenna

35. - T9B08

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

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

Figure T-2

Figure T-1