US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause involuntary muscle contractions
B	It may cause injury by heating tissue
C	All these choices are correct
D	It may disrupt the electrical functions of cells

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	Wires must be carefully routed with precise right-angle bends
C	Use only non-insulated wire
D	Sharp bends must be avoided

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the peak exposure to radiation
B	It takes into account the antenna feed line loss
C	It affects the average exposure to radiation
D	It takes into account the thermal effects of the final amplifier

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	FCC Regional Field Office
B	International Telecommunication Union
C	Frequency Spectrum Manager appointed by the FCC
D	Volunteer Frequency Coordinator recognized by local amateurs

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
B	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
C	All these choices are correct
D	902.0 MHz to 902.1 MHz

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Communications incidental to conducting business or remarks of a personal nature
C	Only communications incidental to contest exchanges; all other communications are prohibited
D	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Broadcasting
B	International Morse Code Practice
C	In all circumstances
D	Telecommand or transmissions of telemetry

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequency authorized by the frequency coordinator
B	The highest class of operator license held by anyone on the premises
C	The frequencies printed on the license grant
D	The class of operator license held by the control operator

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Message forwarding station
B	Earth station
C	Beacon station
D	Repeater station

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Ask if the frequency is in use
B	All these choices are correct
C	Listen first to be sure that no one else is using the frequency
D	Make sure you are authorized to use that frequency

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your transmit power is too high
B	You are talking too loudly
C	You need to talk louder
D	Your repeater offset is inverted

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	FCC rules always apply
B	When operating under special ARES rules
C	When operating under special FEMA rules
D	When operating a RACES station

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Absorption
B	Deflection
C	There is little effect
D	Range increase

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 kHz
B	300 to 3000 MHz
C	3 to 30 MHz
D	30 to 300 MHz

15. - T3C03

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

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

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To avoid RF interference
B	All these choices are correct
C	To provide a good counterpoise for the antenna
D	To minimize voltage drop when transmitting

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	All these choices are correct
B	Distorted transmitted audio
C	Frequency instability
D	Increased SWR

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Volts
D	Watt-hours

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C01

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

Select	Answer
A	Resistance
B	Inductance
C	Capacitance
D	Tolerance

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	8 volts
B	20 volts
C	0.2 volts
D	12 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Resistance
B	Field strength
C	Inductance
D	Capacitance

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Signal, bias, power
B	Input, output, supply
C	Emitter, base, collector
D	Pole one, pole two, output

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Connector
C	Indicator lamp
D	Transistor

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Multi-pole relay
B	Transformer
C	Transducer
D	Integrated circuit

26. - T7A03

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

Select	Answer
A	Mixer
B	Phase splitter
C	Inverter
D	Amplifier

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter to a narrow-band mode
B	Block the amateur signal with a filter at the antenna input of the affected receiver
C	Block the interfering signal with a filter on the amateur transmitter
D	Switch the transmitter from FM to SSB

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To improve the efficiency of an antenna
B	To prevent transmitting signals over the air when making tests
C	To improve the signal-to-noise ratio of a receiver
D	To prevent over-modulation of a transmitter

29. - T7D06

Which of the following can damage a multimeter?

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

Select	Answer
A	FM or PM
B	SSB
C	AM
D	PSK

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	The satellite transmitted power
C	The Keplerian elements
D	All these choices are correct

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to an azimuth and elevation
B	An instrument for radio direction finding
C	An instrument for neutralizing a final amplifier
D	A letter-number designator assigned to a geographic location

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
B	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
C	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is required in the antenna when transmitting on a higher frequency
B	The increase in signal strength in a specified direction compared to a reference antenna
C	The increase in impedance on receive or transmit compared to a reference antenna
D	The additional power that is added to the transmitter power

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are commonly used at HF and VHF frequencies
B	They are a bayonet-type connector
C	They are preferred for microwave operation
D	They are watertight

Figure T-1