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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The larger fuse would be likely to blow because it is rated for higher current
B	Excessive current could cause a fire
C	The power supply ripple would greatly increase
D	All these choices are correct

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	The height of the power line above ground
B	1/2 wavelength at the operating frequency
C	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
D	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	1296 MHz
B	50 MHz
C	3.5 MHz
D	440 MHz

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	The FCC
B	FEMA
C	Homeland Security
D	All these choices are correct

5. - T1B11

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

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

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Eight years
B	Ten years
C	Five years
D	Life

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

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

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

9. - T1F10

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

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

10. - T2A10

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

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

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	DTMF
B	D-STAR
C	GPRS
D	CTCSS

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Speak very loudly into the microphone
B	Spell the words using a standard phonetic alphabet
C	All these choices are correct
D	Send the words by voice and Morse code

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Low barometric pressure
B	High winds
C	Colder temperatures
D	Precipitation

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	300,000,000 miles per hour
B	150,000 meters per second
C	300,000,000 meters per second
D	150,000 miles per hour

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	6 meters
B	2 meters
C	70 centimeters
D	33 centimeters

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device for switching antennas from transmit to receive
C	A device that assists in manual sending of Morse code
D	A device for voice activated switching from receive to transmit

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The RIT or Clarifier
B	The bandwidth selection
C	The AGC or limiter
D	The tone squelch

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Pulse rate
B	Speed
C	Frequency
D	Wavelength

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C05

What is the unit of impedance?

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

21. - T5D12

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

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

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Capacitance
B	Field strength
C	Resistance
D	Inductance

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Inductively-coupled RF signal
B	Capacitively-coupled RF signal
C	Reverse current
D	Forward current

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Transistor
C	Capacitor
D	Regulator IC

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Meter
B	Relay
C	Transistor
D	Potentiometer

26. - T7A04

Which term describes the ability of a receiver to discriminate between multiple signals?

Select	Answer
A	Sensitivity
B	Discrimination ratio
C	Selectivity
D	Harmonic distortion

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	The transmitter will not stay on the desired frequency
B	Excessive SWR at the antenna connection
C	Reports of garbled, distorted, or unintelligible voice transmissions
D	Frequent blowing of power supply fuses

28. - T7C04

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

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

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Dark black spots
B	A rough or lumpy surface
C	A bright or shiny surface
D	Excessive solder

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	All these choices are correct
B	SSB signals have narrower bandwidth
C	SSB signals are less susceptible to interference
D	SSB signals are easier to tune in correctly

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	A licensed radio amateur with a transmitter equipped for interrogating the satellite
B	A licensed radio amateur who has been certified by the protocol developer
C	Anyone
D	A licensed radio amateur who has registered for an access code from AMSAT

32. - T8C11

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

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

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A method of compressing data using autonomous reiterative Q codes prior to final encoding
B	An error correction method in which the receiving station detects errors and sends a request for retransmission
C	A system used to encrypt command signals to an amateur radio satellite
D	A special transmission format limited to video signals

34. - T9A11

What is antenna gain?

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

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	50 ohms
B	12 ohms
C	8 ohms
D	600 ohms

Figure T-2