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

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Wear a ground strap connected to your wrist at all times
B	Insulate the base of the tower to avoid lightning strikes
C	Look for and stay clear of any overhead electrical wires
D	All these choices are correct

3. - T0C02

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

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

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The FCC Office of Spectrum Management and Coordination Policy
B	The local chapter of the Office of National Council of Independent Frequency Coordinators
C	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
D	FCC Regional Field Office

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	500 watts
B	50 watts
C	100 watts
D	1500 watts

6. - T1C01

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

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

7. - T1D04

Under what conditions is an amateur station authorized to transmit music using a phone emission?

Select	Answer
A	When the music is transmitted above 1280 MHz
B	When incidental to an authorized retransmission of manned spacecraft communications
C	When transmissions are limited to less than three minutes per hour
D	When the music produces no spurious emissions

8. - T1E05

What is an amateur station’s control point?

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

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The club must be registered with the American Radio Relay League
B	The trustee must have an Amateur Extra Class operator license grant
C	All these choices are correct
D	The club must have at least four members

10. - T2A07

What is meant by "repeater offset”?

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

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Eliminate parasitic oscillations in an RF amplifier
B	Reduce a CW transmitter's key clicks
C	Mute the receiver audio when a signal is not present
D	Reduce interference from impulse noise

12. - T2C10

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

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

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be increased by a factor equal to the number of separate paths observed
B	Transmission rates must be decreased by a factor equal to the number of separate paths observed
C	Error rates are likely to increase
D	No significant changes will occur if the signals are transmitted using FM

14. - T3B02

What property of a radio wave defines its polarization?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	D region absorption
B	Gray-line propagation
C	Sporadic E
D	Backscatter

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 feed line, between the transmitter and antenna
C	At the power supply output
D	In the power supply cable, as close as possible to the radio

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The DMR software version
B	The codec for digitizing audio
C	Access information for repeaters and talkgroups
D	Your call sign in CW for automatic identification

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Ohms
C	Watts
D	Volts

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	5 watts
B	50 watts
C	0.5 watts
D	0.02 watts

20. - T5C11

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

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

21. - T5D13

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

Select	Answer
A	Series
B	Parallel
C	Branch
D	Resonant

22. - T6A09

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

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

23. - T6B04

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

Select	Answer
A	Triode
B	Transistor
C	Alternator
D	Pentagrid converter

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Regulator IC
B	Resistor
C	Transistor
D	Capacitor

25. - T6D02

What is a relay?

Select	Answer
A	A current controlled amplifier
B	An electrically-controlled switch
C	An inverting amplifier
D	A pass transistor

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the output of the transmitter power amplifier
B	Between the transmitter and the antenna tuner
C	At the output of the receiver audio amplifier
D	Between the antenna and receiver

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Using double-shielded coaxial cable
C	Installing bypass capacitors on the microphone cable
D	Installing an RF preamplifier

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is radiated as harmonics
B	It increases the SWR
C	It distorts the signal
D	It is converted into heat

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In parallel
B	In series
C	In phase
D	In quadrature

30. - T8A05

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

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

31. - T8B05

What is a satellite beacon?

Select	Answer
A	A reflective surface on the satellite
B	A transmission from a satellite that contains status information
C	The primary transmit antenna on the satellite
D	An indicator light that shows where to point your antenna

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A system for informing amateurs in real time of the frequency of active DX stations
B	A technique for measuring signal strength of an amateur transmitter via the internet
C	A system for providing access to websites via amateur radio
D	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A12

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

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

35. - T9B08

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

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

Figure T-2