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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Overheating or out-gassing
B	Excess output ripple
C	Inverse memory effect
D	Half-wave rectification

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Common grounds must be avoided
B	Sharp bends must be avoided
C	Wires must be carefully routed with precise right-angle bends
D	Use only non-insulated wire

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A09

Who selects a Frequency Coordinator?

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

5. - T1B08

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

Select	Answer
A	U.S. amateurs must give foreign amateur stations priority in those segments
B	International communications 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	Digital transmissions are not permitted in those segments

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From within any country that belongs to the International Telecommunication Union
B	From within any country that is a member of the United Nations
C	From any vessel or craft located in international waters and documented or registered in the United States
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When transmitting signals to control model craft
B	When the transmissions are unmodulated
C	When the transmitted power level is below 1 watt
D	When the transmissions are of a brief nature to make station adjustments

8. - T1E10

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

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

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator RPT
B	Send the call sign followed by the indicator R
C	Send the call sign using only a phone emission
D	Send the call sign using a CW or phone emission

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	The station’s call sign followed by the word “monitoring”
C	The repeater call sign followed by the station’s call sign
D	“QSY” followed by your call sign

11. - T2B07

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

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

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a FEMA emergency plan
B	Yes, but only in situations involving the immediate safety of human life or protection of property
C	Yes, but only when part of a RACES emergency plan
D	No

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	All these choices are correct
B	The signal path encounters different concentrations of water vapor
C	Multipath propagation cancels or reinforces signals
D	VHF ionospheric propagation is very sensitive to path length

14. - T3B05

What is the relationship between wavelength and frequency?

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

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

16. - T4A06

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

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

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Distortion of the signal’s audio
B	Change in audio pitch
C	Sideband inversion
D	Generation of a heterodyne tone

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Copper
B	Mercury
C	Glass
D	Aluminum

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	MH
C	MHz
D	mh

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. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Inductor
B	Inverter
C	Resistor
D	Transformer

23. - T6B09

What are the names for the electrodes of a diode?

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

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Transformer
B	Potentiometer
C	Double-pole switch
D	Variable inductor

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Reflector
B	Amplifier
C	Transformer
D	Rectifier

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Selectivity
B	Linearity
C	Total Harmonic Distortion
D	Sensitivity

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The audio amplifier of the transmitter is overloaded
B	The microphone gain of the transmitter is turned up too high
C	The receiver is unable to reject strong signals outside the AM or FM band
D	The deviation of an FM transmitter is set too low

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 at below freezing temperatures
D	It cannot be used for VHF or UHF antennas

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Rosin-core solder
B	Acid-core solder
C	Lead-tin solder
D	Tin-copper solder

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	FM
B	PM
C	DRM
D	SSB

31. - T8B05

What is a satellite beacon?

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

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Echolocation
B	Phase locking
C	Radio direction finding
D	Doppler radar

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phase Shift Keying
B	Packet Short Keying
C	Pulse Shift Keying
D	Phased Slide Keying

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Strengthening the radiating elements of a beam antenna to better resist wind damage
B	Electrically lengthening by inserting inductors in radiating elements
C	Installing a spring in the base of a mobile vertical antenna to make it more flexible
D	Inserting a resistor in the radiating portion of the antenna to make it resonant

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	50-ohm flexible coax
C	Air-insulated hardline
D	75-ohm flexible coax

Figure T-2