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

2. - T0B09

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

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

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the peak exposure to radiation
B	It affects the average exposure to radiation
C	It takes into account the thermal effects of the final amplifier
D	It takes into account the antenna feed line loss

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing personal radio communications for as many citizens as possible
B	Advancing skills in the technical and communication phases of the radio art
C	Providing communications for international non-profit organizations
D	All these choices are correct

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. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Technician, General, Amateur Extra
B	Novice, Technician, General, Amateur Extra
C	Novice, Technician Plus, General, Advanced
D	Technician, Technician Plus, General, Amateur Extra

7. - T1D06

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

Select	Answer
A	There is no such prohibition
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	The FCC maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting antenna
B	The mailing address of the station licensee
C	The location of the station’s transmitting apparatus
D	The location at which the control operator function is performed

9. - T1F04

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

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

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of available net frequencies
C	A plan devised by a club to indicate frequency band usage
D	A list of operating schedules

11. - T2B10

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

Select	Answer
A	QSB
B	QRM
C	QTH
D	QRN

12. - T2C03

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

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

13. - T3A08

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

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

14. - T3B07

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

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are not blocked by dust particles
C	The atmosphere refracts radio waves slightly
D	Radio waves are blocked by dust particles

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The AGC or limiter
B	The bandwidth selection
C	The RIT or Clarifier
D	The tone squelch

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	All these choices are correct
C	Alternating current
D	Direct current

19. - T5B09

Which decibel value most closely represents a power increase from 5 watts to 10 watts?

Select	Answer
A	3 dB
B	2 dB
C	10 dB
D	5 dB

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	30 watts
B	0.208 watts
C	4.8 watts
D	14.5 watts

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	93 ohms
B	30 ohms
C	3 ohms
D	270 ohms

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Potentiometer
B	Oscillator
C	Capacitor
D	Resistor

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Thermistor
B	Transistor
C	Varistor
D	Potentiometer

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable resistor
B	Variable inductor
C	Variable transformer
D	Variable capacitor

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Capacitor
B	Potentiometer
C	Resistor
D	Zener diode

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	Between the antenna and receiver
D	At the output of the receiver audio amplifier

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Work with your neighbor to identify the offending device
B	All these choices are correct
C	Make sure your station meets the standards of good amateur practice
D	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	Full Scale
C	Zero
D	1:1

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Decreasing resistance with time
B	Increasing resistance with time
C	Steady full-scale reading
D	Alternating between open and short circuit

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	All these choices are correct
B	SSB signals are easier to tune in correctly
C	SSB signals are less susceptible to interference
D	SSB signals have narrower bandwidth

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Overloading the satellite batteries
B	Blocking access by other users
C	Possibility of rebooting the satellite control computer
D	Possibility of commanding the satellite to an improper mode

32. - T8C04

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

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

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A special mode for satellite uplink
B	An analog fast-scan color TV signal
C	A Normal Transmission mode in Static Circuit
D	A frame compression scheme for TV signals

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	The SWR might decrease, decreasing the signal strength
C	The bandwidth of the antenna will decrease, increasing SWR
D	All these choices are correct

35. - T9B08

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

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

Figure T-2