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

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	All these choices are correct
D	The antenna could contact high-voltage power lines

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	Radiation poisoning
B	Electrocution
C	All these choices are correct
D	RF burn to skin

4. - T1A11

When is willful interference to other amateur radio stations permitted?

Select	Answer
A	At no time
B	At any time, stations in the Amateur Radio Service are not protected from willful interference
C	To stop another amateur station that is breaking the FCC rules
D	When making short test transmissions

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	10 watts
B	100 watts
C	50 watts
D	200 watts

6. - T1C05

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

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

7. - T1D07

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

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

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Using a computer or other device to identify automatically
B	Repeater operation
C	Using a computer or other device to send CW automatically
D	Controlling a station over the internet

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Never, the tactical call is sufficient
B	At the end of every transmission
C	Once during every hour
D	At the end of each communication and every ten minutes during a communication

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Conduct tests only between 10 p.m. and 6 a.m. local time
B	Identify the transmitting station
C	Notify the FCC of the transmissions
D	All these choices are correct

11. - T2B10

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

Select	Answer
A	QTH
B	QRN
C	QSB
D	QRM

12. - T2C05

What does the term “traffic” refer to in net operation?

Select	Answer
A	The number of stations checking in and out of a net
B	Requests to activate the net by a served agency
C	Messages exchanged by net stations
D	Operation by mobile or portable stations

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Horizontal
B	Right-hand circular
C	Left-hand circular
D	Vertical

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 ratio of the velocity to the wavelength
C	The orientation of the magnetic field
D	The orientation of the electric field

15. - T3C09

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

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

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device that assists in manual sending of Morse code
C	A device for switching antennas from transmit to receive
D	A device for voice activated switching from receive to transmit

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the VOX
B	Store it in a memory channel
C	Use the scan mode to select the desired frequency
D	Enable the frequency offset

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Amperes
C	Ohms
D	Watts

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One hundred volts
B	One one-thousandth of a volt
C	One thousand 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. - T5D03

What formula is used to calculate resistance in a circuit?

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

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Thyratron
B	All these choices are correct
C	Fuse
D	Varactor

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Triode
B	Pentagrid converter
C	Transistor
D	Alternator

24. - T6C01

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

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

25. - T6D09

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

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

26. - T7A11

Where is an RF preamplifier installed?

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

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 high-pass filter to the TV antenna input
C	Add a preamplifier to the TV antenna input
D	Add a low-pass filter to the TV antenna input

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In phase
B	In series
C	In quadrature
D	In parallel

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Suppressed sideband
B	Lower sideband
C	Upper sideband
D	Inverted sideband

31. - T8B03

Which of the following are provided by satellite tracking programs?

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

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing voice over internet connection between repeaters
B	Providing information on the number of stations signed into a repeater
C	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A vertically polarized antenna
B	A ground-wave antenna
C	A travelling-wave antenna
D	A horizontally polarized antenna

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It can handle more power than any other type of feed line
B	It is easy to use and requires few special installation considerations
C	It has less loss than any other type of feed line
D	It is less expensive than any other type of feed line