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 disrupt the electrical functions of cells
D	It may cause injury by heating tissue

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A connection between the tower base and a cold water pipe
B	A ferrite-core RF choke connected between the tower and ground
C	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
D	A single four-foot ground rod, driven into the ground no more than 12 inches from the base

3. - T0C07

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

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A government transmitter marking the amateur radio band edges
B	A bulletin sent by the FCC to announce a national emergency
C	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
D	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	Digital transmissions are not permitted in those segments
B	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
C	International communications are not permitted in those segments
D	U.S. amateurs must give foreign amateur stations priority in those segments

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Only communications incidental to contest exchanges; all other communications are prohibited
D	Communications incidental to conducting business or remarks of a personal nature

7. - T1D06

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

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

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The highest class of operator license held by anyone on the premises
B	The class of operator license held by the control operator
C	The frequency authorized by the frequency coordinator
D	The frequencies printed on the license grant

9. - T1F11

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

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

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The repeater call sign followed by the station’s call sign
B	“CQ CQ” followed by the repeater’s call sign
C	“QSY” followed by your call sign
D	The station’s call sign followed by the word “monitoring”

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	Both stations should choose another frequency to avoid conflict
B	The stations should negotiate continued use of the frequency
C	Interference is inevitable, so no action is required
D	Use subaudible tones so both stations can share the frequency

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	The call sign of the originating station
C	A list of stations that have relayed the message
D	A box on the message form that indicates that the message was received and/or relayed

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	Signals have an echo effect
C	The modulation sidebands might become inverted
D	Nothing significant will happen

14. - T3B07

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

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	23 centimeters
B	70 centimeters and 1.25 meters
C	6 and 10 meters
D	All these choices are correct

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B01

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

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

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Aluminum
C	Glass
D	Copper

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	18 dB
B	12 dB
C	10 dB
D	28 dB

20. - T5C04

What is the unit of inductance?

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

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	10 amperes
B	216 amperes
C	24,000 amperes
D	0.1 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lithium-ion
B	All these choices are correct
C	Nickel-metal hydride
D	Lead-acid

23. - T6B04

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

Select	Answer
A	Triode
B	Alternator
C	Pentagrid converter
D	Transistor

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Inductor
B	Resistor
C	Light emitting diode
D	Regulator IC

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A circuit designed to provide high-fidelity audio
B	A resistor circuit used for reducing standing wave ratio
C	An inductor and a capacitor in series or parallel
D	A linear voltage regulator

26. - T7A03

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

Select	Answer
A	Amplifier
B	Inverter
C	Mixer
D	Phase splitter

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	All these choices are correct
C	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
D	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It distorts the signal
B	It is radiated as harmonics
C	It is converted into heat
D	It increases the SWR

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	SSB
B	DRM
C	PM
D	FM

31. - T8B09

What causes spin fading of satellite signals?

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	DMR
B	D-STAR
C	IRLP
D	EchoLink

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	J pole
B	Isotropic
C	Yagi
D	5/8 wave vertical

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Less antenna wear
B	Reduced signal loss
C	Reduced television interference
D	All these choices are correct

Figure T-2