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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Half-wave rectification
B	Overheating or out-gassing
C	Inverse memory effect
D	Excess output ripple

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	Local electrical codes
B	FCC Part 97 rules
C	FAA tower lighting regulations
D	UL recommended practices

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. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is encouraged
B	It is required when in contact with foreign stations
C	All these choices are correct
D	It is required when transmitting emergency messages

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	On any band if the power is limited to 25 watts
B	Only in sub-bands allocated to General class or higher licensees
C	In at least some segment of all these bands
D	Only on repeaters

6. - T1C05

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

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

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	The ITU maintains a list of words that are not permitted to be used on amateur frequencies
C	Any such language is prohibited
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	All licensed amateurs who are present at the operation
B	Only the control operator
C	The control operator and the station licensee
D	Only the station licensee

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Amateur radio communications where three stations are in communications with one another

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit your call sign followed by the other station’s call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit a signal report followed by your call sign
D	Transmit the other station’s call sign followed by your call sign

11. - T2B07

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

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

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
B	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
C	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
D	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Frequency shift due to Faraday rotation
B	Random combining of signals arriving via different paths
C	Interference from thunderstorms
D	Intermodulation distortion

14. - T3B09

What frequency range is referred to as UHF?

Select	Answer
A	30 to 300 kHz
B	30 to 300 MHz
C	300 to 3000 MHz
D	300 to 3000 kHz

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Tropospheric ducting
B	F2 region refraction
C	Faraday rotation
D	D region refraction

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	13.8 volts at 4 amperes
B	13.8 volts at 12 amperes
C	24.0 volts at 4 amperes
D	24.0 volts at 12 amperes

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Turn on the anti-squelch function
B	Turn up the audio level until it overcomes the squelch threshold
C	Enable squelch enhancement
D	Set the squelch threshold so that receiver output audio is on all the time

18. - T5A07

Why are metals generally good conductors of electricity?

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

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	15 GHz
B	1500 MHz
C	1500 kHz
D	150 kHz

20. - T5C02

What is the unit of capacitance?

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

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	8 volts
B	12 volts
C	20 volts
D	0.2 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Inductance
C	Resistance
D	Field strength

23. - T6B01

Which is true about forward voltage drop in a diode?

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

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable inductor
B	Variable capacitor
C	Connector
D	Meter

25. - T6D09

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

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

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Switches transceiver from receive to transmit when grounded
B	Input for a key used to send CW
C	Provides a transmit tuning tone when grounded
D	Input for a preamplifier tuning tone

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. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Gain of +4 dB
B	Impedance mismatch
C	Good impedance match
D	Loss of -4 dB

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	Decreasing resistance with time
C	Steady full-scale reading
D	Increasing resistance with time

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	6 kHz
B	1 kHz
C	3 kHz
D	15 kHz

31. - T8B10

What is a LEO satellite?

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

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phased Slide Keying
B	Packet Short Keying
C	Phase Shift Keying
D	Pulse Shift Keying

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	Signal strength is reduced due to the shielding effect of the vehicle
B	All these choices are correct
C	The SWR might decrease, decreasing the signal strength
D	The bandwidth of the antenna will decrease, increasing SWR

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable has two shields
B	RG-58 cable can handle higher power levels
C	There is no significant difference between the two types
D	RG-213 cable has less loss at a given frequency

Figure T-3