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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Waterproof them with silicone caulk or electrical tape
B	Keep them as far apart as possible
C	Tune them for resonance on the lowest frequency of operation
D	Bond them together with heavy wire or conductive strap

2. - T0B04

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

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is not transmitting
B	The difference between the PEP and average power output of a transmitter
C	The difference between the lowest power output and the highest power output of a transmitter
D	The percentage of time that a transmitter is transmitting

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	One
C	No more than two
D	One for each band on which the person plans to operate

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	10 watts
B	100 watts
C	50 watts
D	200 watts

6. - T1C05

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

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

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
C	When such communications are directly related to the immediate safety of human life or protection of property
D	Never

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. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	Both the originating station and the repeater owner
B	The owner of the repeater
C	The control operator of the originating station
D	The control operator of the repeater

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Multiplex
B	Full duplex
C	Diplex
D	Simplex

11. - T2B08

Which of the following applies when two stations transmitting on the same frequency interfere with each other?

Select	Answer
A	The stations should negotiate continued use of the frequency
B	Both stations should choose another frequency to avoid conflict
C	Interference is inevitable, so no action is required
D	Use subaudible tones so both stations can share the frequency

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Choose the regular net meeting time and frequency
B	All these choices are correct
C	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
D	Call the net to order and direct communications between stations checking in

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The stratosphere
B	The ionosphere
C	The troposphere
D	The mesosphere

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 energy in the magnetic field to the energy in the electric field
C	The orientation of the magnetic field
D	The ratio of the velocity to the wavelength

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are often received from 10,000 miles or more
B	They are distorted and signal strength varies considerably
C	They occur only during winter nighttime hours
D	They are generally strongest when your antenna is aimed west

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	13.8 volts at 12 amperes
B	13.8 volts at 4 amperes
C	24.0 volts at 4 amperes
D	24.0 volts at 12 amperes

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The Automatic Frequency Control
B	The CTCSS or DTMF encoder
C	The keypad or VFO knob
D	All these choices are correct

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Henry
B	Tesla
C	Farad
D	Hertz

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	10 dB
B	28 dB
C	18 dB
D	12 dB

20. - T5C11

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

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

21. - T5D06

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

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

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transistor
B	Reactor
C	Transformer
D	Resistor

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Dummy load
B	Ground
C	Transmitter
D	Antenna

25. - T6D10

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

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Amplifier
B	Mixer
C	Phase splitter
D	Inverter

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a preamplifier to the TV antenna input
B	Add a high-pass filter to the TV antenna input
C	Add a low-pass filter to the TV antenna input
D	Be sure all TV feed line coaxial connectors are installed properly

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Single sideband
C	Phase shift keying (PSK)
D	Spread spectrum

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A satellite in low earth orbit
B	A satellite in low energy operation mode
C	A sun synchronous satellite
D	A highly elliptical orbit satellite

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A repeater
B	A digipeater
C	A gateway
D	A beacon

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	A special mode for satellite uplink
C	A Normal Transmission mode in Static Circuit
D	An analog fast-scan color TV signal

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Inserting coils in series with radiating wires
B	Shortening it
C	Adding capacitive loading to the ends of the radiating wires
D	Lengthening it

35. - T9B08

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

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

Figure T-3

Figure T-1