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

2. - T0B08

Which is a proper grounding method for a tower?

Select	Answer
A	A single four-foot ground rod, driven into the ground no more than 12 inches from the base
B	A ferrite-core RF choke connected between the tower and ground
C	Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
D	A connection between the tower base and a cold water pipe

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation can only be detected with an RF dosimeter
B	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
C	RF radiation is perfectly safe
D	RF radiation is limited in range to a few feet

4. - T1A04

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

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

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	6 meters
C	20 meters
D	2 meters

6. - T1C05

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

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

7. - T1D10

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

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

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequencies printed on the license grant
B	The frequency authorized by the frequency coordinator
C	The highest class of operator license held by anyone on the premises
D	The class of operator license held by 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 each communication and every ten minutes during a communication
C	At the end of every transmission
D	Never, the tactical call is sufficient

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 plan devised by a club to indicate frequency band usage
D	A voluntary guideline for using different modes or activities within an amateur band

11. - T2B13

What is the purpose of a squelch function?

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

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	A box on the message form that indicates that the message was received and/or relayed
C	The number of words or word equivalents in the text portion of the message
D	A list of stations that have relayed the message

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try to find a path that reflects signals to the repeater
B	Change from vertical to horizontal polarization
C	Try the long path
D	Increase the antenna SWR

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They travel at different speeds
B	They are at right angles
C	They revolve in opposite directions
D	They are in parallel

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Tropospheric ducting
B	D region refraction
C	Faraday rotation
D	F2 region refraction

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	High-speed digital communications for meteor scatter
B	Communication using digital voice or data systems via the internet
C	RTTY encoding and decoding without a computer
D	FT8 digital communications via AFSK

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	All these choices are correct
B	The codec type being used
C	Your call sign
D	Your output power

18. - T5A07

Why are metals generally good conductors of electricity?

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

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	0.003 amperes
C	3 amperes
D	3,000,000 amperes

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The coulomb
B	The ampere
C	The volt
D	The ohm

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	8 ohms
B	48 ohms
C	3 ohms
D	16 ohms

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Lead-acid
B	All these choices are correct
C	Lithium-ion
D	Nickel-metal hydride

23. - T6B04

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

Select	Answer
A	Triode
B	Alternator
C	Transistor
D	Pentagrid converter

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Inductor
C	Resistor
D	Regulator IC

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Supply electrical energy
B	Give off light when current flows through it
C	Control the flow of current
D	Convert electrical energy into radio waves

26. - T7A11

Where is an RF preamplifier installed?

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

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Band-pass filter
B	Ferrite choke
C	Low-pass filter
D	Preamplifier

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Impedance mismatch
B	Gain of +4 dB
C	Loss of -4 dB
D	Good impedance match

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Steady full-scale reading
B	Increasing resistance with time
C	Alternating between open and short circuit
D	Decreasing resistance with time

30. - T8A05

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

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

31. - T8B06

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

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

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	All these choices are correct
B	Sign only the last two letters of your call if there are many other stations calling
C	Contact the station twice to be sure that you are in his log
D	Send only the minimum information needed for proper identification and the contest exchange

33. - T8D09

What is CW?

Select	Answer
A	A technique for coil winding
B	Another name for a Morse code transmission
C	A digital mode used primarily on 2 meter FM
D	A type of electromagnetic propagation

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	Equally in all directions
B	Off the ends of the antenna
C	In the direction of the feed line
D	Broadside to the antenna

35. - T9B08

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

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

Figure T-2

Figure T-1