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 output connector of a transceiver
C	At the antenna feed point
D	On a grounded panel near where feed lines enter the building

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
B	1/2 wavelength at the operating frequency
C	The height of the power line above ground
D	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	All these choices are correct
B	Frequency and power level of the RF field
C	Radiation pattern of the antenna
D	Distance from the antenna to a person

4. - T1A07

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

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

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.050 MHz to 28.150 MHz
B	28.500 MHz to 28.600 MHz
C	28.100 MHz to 28.300 MHz
D	28.300 MHz to 28.500 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to one year
B	No, you must wait until the license has been renewed
C	Yes, for up to two years
D	Yes, as soon as you apply for renewal

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

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	Any licensed operator
B	The frequency coordinator
C	The station licensee
D	The FCC

9. - T1F08

What is the definition of third party communications?

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

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Listen first to be sure that no one else is using the frequency
B	All these choices are correct
C	Ask if the frequency is in use
D	Make sure you are authorized to use that frequency

11. - T2B05

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

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

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The email address of the originating station
B	The telephone number of the addressee
C	The address of the intended recipient
D	Information needed to track the message

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Low barometric pressure
B	Precipitation
C	High winds
D	Colder temperatures

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 miles per hour
B	300,000,000 miles per hour
C	150,000 meters per second
D	300,000,000 meters per second

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

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Antenna and RF power
B	Receive audio, transmit audio, and transmitter keying
C	NMEA GPS location and DC power
D	Receive and transmit mode, status, and location

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

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Mhos
B	Coulombs
C	Siemens
D	Ohms

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One million volts
B	One thousand kilovolts
C	One one-millionth of a volt
D	One one-thousandth of a volt

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Admittance
B	Resistance
C	Inductance
D	Capacitance

21. - T5D11

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

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

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Varactor
B	Thyratron
C	All these choices are correct
D	Fuse

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Free Electron Transmitter
B	Frequency Emission Transmitter
C	Fast Electron Transistor
D	Field Effect Transistor

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Resistor
B	Ground symbol
C	Transistor
D	Battery

25. - T6D09

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

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

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	Phase converter
B	High-pass filter
C	Low-pass filter
D	Transverter

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It requires special techniques to prevent moisture in the cable
B	It has more loss per foot
C	It cannot be used for VHF or UHF antennas
D	It cannot be used at below freezing temperatures

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Voltage and resistance
B	Signal strength and noise
C	All these choices are correct
D	Impedance and reactance

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	About 1 MHz
C	About 6 MHz
D	More than 10 MHz

31. - T8B04

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

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

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	EchoLink
B	D-STAR
C	DMR
D	IRLP

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	6
B	236
C	112
D	50

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	8 ohms
B	600 ohms
C	50 ohms
D	12 ohms

Figure T-1