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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Neutral
B	Black insulation is never used
C	Hot
D	Equipment ground

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	Insulate the base of the tower to avoid lightning strikes
C	Look for and stay clear of any overhead electrical wires
D	Wear a ground strap connected to your wrist at all times

3. - T0C02

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

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

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
B	A bulletin sent by the FCC to announce a national emergency
C	A government transmitter marking the amateur radio band edges
D	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	50 watts
B	100 watts
C	500 watts
D	1500 watts

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, as soon as you apply for renewal
B	Yes, for up to one year
C	No, you must wait until the license has been renewed
D	Yes, for up to two years

7. - T1D11

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

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

8. - T1E10

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

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

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 control operator of the originating station
C	The control operator of the repeater
D	The owner of the repeater

10. - T2A12

What should you do before calling CQ?

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

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s output frequency
B	To increase power output
C	To listen on a repeater’s input frequency
D	To reduce power output

12. - T2C06

What is the Amateur Radio Emergency Service (ARES)?

Select	Answer
A	A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
B	A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
C	A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service
D	A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Knife-edge diffraction
B	Absorption
C	Polarization rotation
D	Amplification

14. - T3B06

What is the formula for converting frequency to approximate wavelength in meters?

Select	Answer
A	Wavelength in meters equals frequency in megahertz divided by 300
B	Wavelength in meters equals 300 divided by frequency in megahertz
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals frequency in hertz divided by 300

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are not blocked by dust particles
B	Radio signals move somewhat faster than the speed of light
C	The atmosphere refracts radio waves slightly
D	Radio waves are blocked by dust particles

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B	Divide the battery ampere-hour rating by the average current draw of the equipment
C	Multiply the square of the current rating of the battery by the input resistance of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By entering the group’s identification code
B	By retrieving the frequencies from transceiver memory
C	By enabling the group’s CTCSS tone
D	By activating automatic identification

18. - T5A12

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

Select	Answer
A	Frequency
B	Speed
C	Wavelength
D	Pulse rate

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	28.400 kHz
B	28.400 MHz
C	2.800 MHz
D	284.00 MHz

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E / I
B	P = I + E
C	P = E – I
D	P = I  E

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	0.5 amperes
B	20,000 amperes
C	100 amperes
D	2 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	All these choices are correct
B	Fuse
C	Thyratron
D	Varactor

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Resistor
B	Diode
C	Fuse
D	Driven element

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Lamp
B	Transistor
C	Resistor
D	Ground symbol

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A linear voltage regulator
B	A resistor circuit used for reducing standing wave ratio
C	An inductor and a capacitor in series or parallel
D	A circuit designed to provide high-fidelity audio

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Phase modulator
B	Reactance modulator
C	Oscillator
D	Low-pass filter

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
B	Immediately turn off your transmitter and contact the nearest FCC office for assistance
C	All these choices are correct
D	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is converted into heat
B	It increases the SWR
C	It is radiated as harmonics
D	It distorts the signal

29. - T7D08

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

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

30. - T8A05

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

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

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	Health and status of the satellite
B	The signal strength of received signals
C	All these choices are correct
D	Time of day accurate to plus or minus 1/10 second

32. - T8C04

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

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

33. - T8D10

Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

Select	Answer
A	Meteor scatter
B	All these choices are correct
C	Earth-Moon-Earth
D	Weak signal propagation beacons

34. - T9A11

What is antenna gain?

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

35. - T9B07

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

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

Figure T-1