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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the ac power service panel
B	At the antenna feed point
C	On a grounded panel near where feed lines enter the building
D	At the output connector of a transceiver

2. - T0B11

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

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

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	1296 MHz
B	440 MHz
C	3.5 MHz
D	50 MHz

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	The license appears in the FCC ULS database
B	An email notification from the NCVEC granting the license
C	A printed copy of the certificate of successful completion of examination
D	All these choices are correct

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for calibration error in the transmitter frequency display
B	To allow for transmitter frequency drift
C	All these choices are correct
D	So that modulation sidebands do not extend beyond the band edge

6. - T1C05

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

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

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
B	When broadcasting communications to or from the space shuttle
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Never

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Controlling a model aircraft, boat, or car by amateur radio
B	All these choices are correct
C	Operating the station over the internet
D	Repeater operation

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time upon request by an FCC representative
B	At any time ten days after notification by the FCC of such an inspection
C	At any time after written notification by the FCC of such inspection
D	Only when presented with a valid warrant by an FCC official or government agent

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 600 kHz
B	Plus or minus 1 MHz
C	Plus or minus 500 kHz
D	Plus or minus 5 MHz

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	You are talking too loudly
B	Your transmit power is too high
C	Your repeater offset is inverted
D	You need to talk louder

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. - 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	Interference from thunderstorms
C	Intermodulation distortion
D	Frequency shift due to Faraday rotation

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The orientation of the magnetic field
B	The ratio of the energy in the magnetic field to the energy in the electric field
C	The ratio of the velocity to the wavelength
D	The orientation of the electric field

15. - T3C08

What causes tropospheric ducting?

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

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	All these choices are correct
B	To avoid RF interference
C	To provide a good counterpoise for the antenna
D	To minimize voltage drop when transmitting

17. - T4B03

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

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

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Amperes
B	Watt-hours
C	Volts
D	Watts

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1 microfarad
B	1000 microfarads
C	1,000,000,000 microfarads
D	0.001 microfarads

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MHz
B	mh
C	Mhz
D	MH

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	1 volt
B	9 volts
C	10 volts
D	11 volts

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are each switched between one of two other circuits
B	A single circuit is switched between one of two other circuits
C	A single circuit is opened or closed
D	Two circuits are opened or closed

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Anode and cathode
B	Gate and base
C	Source and drain
D	Plus and minus

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Battery
D	Resistor

25. - T6D08

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

Select	Answer
A	Zener diode
B	Resistor
C	Potentiometer
D	Capacitor

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for matching feed line impedance to 50 ohms
B	A device for converting receiver and transmitter frequencies to another band
C	A device that combines a receiver and transmitter
D	A device for automatically sending and decoding Morse code

27. - T7B08

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

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

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Phase shift keying (PSK)
C	Single sideband
D	Spread spectrum

31. - T8B02

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

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

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	All these choices are correct
C	Contact the station twice to be sure that you are in his log
D	Sign only the last two letters of your call if there are many other stations calling

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
B	A wide-bandwidth digital voice mode employing DMR protocols
C	An internet linking protocol used to network repeaters
D	A satellite communications network using modified commercial satellite TV hardware

34. - T9A01

What is a beam antenna?

Select	Answer
A	An antenna built from aluminum I-beams
B	An antenna that concentrates signals in one direction
C	An omnidirectional antenna invented by Clarence Beam
D	An antenna that reverses the phase of received signals

35. - T9B04

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

Select	Answer
A	It automatically selects the proper antenna for the frequency band being used
B	It matches the antenna system impedance to the transceiver's output impedance
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