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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Equipment ground
B	Neutral
C	Black insulation is never used
D	Hot

2. - T0B09

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

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

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	All these choices are correct
C	By informing the FCC of any changes made in your station
D	By re-evaluating the station whenever an item in the transmitter or antenna system is changed

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	Any satellite orbiting Earth
B	An amateur station located more than 50 km above Earth's surface
C	A manned satellite orbiting Earth
D	An amateur station using amateur radio satellites for relay of signals

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	50 watts
B	100 watts
C	1500 watts
D	500 watts

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to obtain FCC type acceptance prior to using a home-built transmitter
B	Failure to provide and maintain a correct email address with the FCC
C	Failure to have a copy of your license available at your station
D	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	When the communication is made to obtain emergency information for a local broadcast station
C	When the communication is related to the sale of amateur equipment by the control operator's employer
D	All these choices are correct

8. - T1E07

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

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

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the ITU
B	Any language recognized by the United Nations
C	English, French, or Spanish
D	English

10. - T2A07

What is meant by "repeater offset”?

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

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	GPRS
B	DTMF
C	CTCSS
D	D-STAR

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Spell the words using a standard phonetic alphabet
B	Send the words by voice and Morse code
C	All these choices are correct
D	Speak very loudly into the microphone

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	All these choices are correct
B	Multipath propagation cancels or reinforces signals
C	VHF ionospheric propagation is very sensitive to path length
D	The signal path encounters different concentrations of water vapor

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Sunspots and solar flares
B	Discharges of lightning during electrical storms
C	Temperature inversions in the atmosphere
D	Updrafts from hurricanes and tornadoes

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Distortion of the signal’s audio
B	Sideband inversion
C	Change in audio pitch
D	Generation of a heterodyne tone

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Pulse rate
B	Speed
C	Frequency
D	Wavelength

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	3,000,000 amperes
C	0.003 amperes
D	3 amperes

20. - T5C04

What is the unit of inductance?

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

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	20,000 amperes
B	0.5 amperes
C	2 amperes
D	100 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B04

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

Select	Answer
A	Alternator
B	Triode
C	Pentagrid converter
D	Transistor

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Component connections
B	All these choices are correct
C	Physical appearance of components
D	Wire lengths

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Control the flow of current
B	Supply electrical energy
C	Convert electrical energy into radio waves
D	Give off light when current flows through it

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Sensitivity
B	Selectivity
C	Discrimination ratio
D	Harmonic distortion

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Harmonics
B	Spurious emissions
C	All these choices are correct
D	Fundamental overload

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To comply with FCC rules on spectral purity
B	To lower the SWR on the transmission line
C	Because power supplies cannot supply enough current at high SWR
D	To protect the output amplifier transistors

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Failing to connect one of the probes to ground
B	Attempting to measure voltage when using the resistance setting
C	Not allowing it to warm up properly
D	Attempting to measure resistance using the voltage setting

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

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

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	FM
B	CW/data
C	All these choices are correct
D	SSB

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	All these choices are correct
B	Send only the minimum information needed for proper identification and the contest exchange
C	Sign only the last two letters of your call if there are many other stations calling
D	Contact the station twice to be sure that you are in his log

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
B	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
C	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
D	An automatic position tracking mode for FM mobiles communicating through repeaters

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. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It matches the antenna system impedance to the transceiver's output impedance
B	It automatically selects the proper antenna for the frequency band being used
C	It allows an antenna to be used on both transmit and receive
D	It helps a receiver automatically tune in weak stations

Figure T-1