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

2. - T0B11

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

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

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields do not penetrate the human body
C	Lower frequency RF fields have more energy than higher frequency fields
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each permanent station location from which the person plans to operate
B	No more than two
C	One
D	One for each band on which the person plans to operate

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	International communications are not permitted in those segments
B	Digital transmissions are not permitted in those segments
C	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
D	U.S. amateurs must give foreign amateur stations priority in those segments

6. - T1C05

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

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

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmission of messages directed only to amateur operators
B	Transmissions intended for reception by the general public
C	Any transmission made by the licensed station
D	Two-way transmissions by amateur stations

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	Only the station licensee
B	The control operator and the station licensee
C	All licensed amateurs who are present at the operation
D	Only the control operator

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Once during every hour
B	At the end of every transmission
C	Never, the tactical call is sufficient
D	At the end of each communication and every ten minutes during a communication

10. - T2A10

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

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

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Register your radio with the local FCC office
B	Join the repeater owner’s club
C	Program your radio with the group’s ID or code
D	Sign your call after the courtesy tone

12. - T2C04

What is RACES?

Select	Answer
A	An FCC part 97 amateur radio service for civil defense communications during national emergencies
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	A radio contest held in a short period, sometimes called a “sprint”
D	An international radio experimentation society

13. - T3A08

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength gets longer as frequency increases
B	Wavelength and frequency increase as path length increases
C	Wavelength gets shorter as frequency increases
D	Wavelength and frequency are unrelated

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are usually not propagated by the ionosphere
B	FCC regulations prohibit them from going more than 50 miles
C	UHF signals are absorbed by the ionospheric D region
D	They are too weak to go very far

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B	Multiply the square of the current rating of the battery by the input resistance of the equipment
C	Divide the battery ampere-hour rating by the average current draw of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Increases the amount of offset between receive and transmit frequencies
B	Permits monitoring several modes at once by selecting a separate filter for each mode
C	Increases the number of frequencies that can be stored in memory
D	Permits noise or interference reduction by selecting a bandwidth matching the mode

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have relatively high density
B	They have many free electrons
C	All these choices are correct
D	They have many free protons

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	0.002425 GHz
B	2.425 GHz
C	2425 GHz
D	24.25 GHz

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Resistance
B	Capacitance
C	Inductance
D	Tolerance

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	8 ohms
B	18 ohms
C	0.125 ohms
D	13.5 ohms

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Field strength
C	Capacitance
D	Resistance

23. - T6B11

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

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

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Variable inductor
C	Connector
D	Meter

25. - T6D03

Which of the following is a reason to use shielded wire?

Select	Answer
A	To decrease the resistance of DC power connections
B	To prevent coupling of unwanted signals to or from the wire
C	To couple the wire to other signals
D	To increase the current carrying capability of the wire

26. - T7A02

What is a transceiver?

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

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C04

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

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

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Failing to connect one of the probes to ground
B	Not allowing it to warm up properly
C	Attempting to measure voltage when using the resistance setting
D	Attempting to measure resistance using the voltage setting

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	SSB
B	PM
C	FM
D	DRM

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The Keplerian elements
B	All these choices are correct
C	The satellite transmitted power
D	The last observed time of zero Doppler shift

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 system for providing access to websites via amateur radio
C	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
D	A technique for measuring signal strength of an amateur transmitter via the internet

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
B	Providing information on the number of stations signed into a repeater
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing voice over internet connection between repeaters

34. - T9A01

What is a beam antenna?

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

35. - T9B11

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

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

Figure T-3