US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A07

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

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

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Make sure all ground wire bends are right angles
B	Ensure that connections are short and direct
C	All these choices are correct
D	Put a drip loop in the ground connection to prevent water damage to the ground system

3. - T0C04

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

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
B	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A government transmitter marking the amateur radio band edges
D	A bulletin sent by the FCC to announce a national emergency

5. - T1B10

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

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

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

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting certain approved digital codes
B	Only during contests
C	Never
D	Only when transmitting control commands to space stations or radio control craft

8. - T1E05

What is an amateur station’s control point?

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

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC stroke W3
B	All these choices are correct
C	KL7CC slash W3
D	KL7CC slant W3

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	All these choices are correct
B	Notify the FCC of the transmissions
C	Conduct tests only between 10 p.m. and 6 a.m. local time
D	Identify the transmitting station

11. - T2B06

What type of signaling uses pairs of audio tones?

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

12. - T2C03

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

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

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	Local vs long-distance communications
B	Rapid flutter on mobile signals due to multipath propagation
C	Alternating transmissions during a net operation
D	A type of ground system used with vertical antennas

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	3 to 30 MHz
B	30 to 300 MHz
C	300 to 3000 MHz
D	300 to 3000 kHz

15. - T3C08

What causes tropospheric ducting?

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

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the power supply cable, as close as possible to the radio
B	In parallel with the push-to-talk line and the antenna
C	At the power supply output
D	In the feed line, between the transmitter and 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 tone squelch
B	The RIT or Clarifier
C	The AGC or limiter
D	The bandwidth selection

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Voltage
B	Current
C	Resistance
D	Capacitance

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	284.00 MHz
B	2.800 MHz
C	28.400 MHz
D	28.400 kHz

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	132 amperes
B	0.1 amperes
C	12 amperes
D	10 amperes

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Series
B	Resonant
C	Branch
D	Parallel

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole single-throw
B	Double-pole single-throw
C	Double-pole double-throw
D	Single-pole double-throw

23. - T6B11

What is the term that describes a device's ability to amplify a signal?

Select	Answer
A	On resistance
B	Forward resistance
C	Forward voltage drop
D	Gain

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Antenna
B	Dummy load
C	Ground
D	Transmitter

25. - T6D09

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

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

26. - T7A07

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

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

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Let the transceiver cool off
B	Change to a higher power level
C	Talk farther away from the microphone
D	Talk louder into the microphone

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A high-gain amplifier and a TR switch
B	A low-voltage power supply and a DC relay
C	A 50-ohm reactance used to terminate a transmission line
D	A non-inductive resistor mounted on a heat sink

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	FM voice
B	Slow-scan TV
C	CW
D	SSB voice

31. - T8B02

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

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

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	IRLP
C	D-STAR
D	DMR

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Meteor scatter
B	Weak signal propagation beacons
C	All these choices are correct
D	Earth-Moon-Earth

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It eliminates distortion caused by reflected signals
B	It radiates at a very high angle
C	It has more gain than a 1/4-wavelength antenna
D	It has 10 times the power gain of a 1/4 wavelength whip

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	50-ohm flexible coax
B	Air-insulated hardline
C	Multi-conductor unbalanced cable
D	75-ohm flexible coax

Figure T-2

Figure T-3