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

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	All these choices are correct
B	Put a drip loop in the ground connection to prevent water damage to the ground system
C	Make sure all ground wire bends are right angles
D	Ensure that connections are short and direct

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

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	FCC Regional Field Office
B	The local chapter of the Office of National Council of Independent Frequency Coordinators
C	The FCC Office of Spectrum Management and Coordination Policy
D	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	To allow for calibration error in the transmitter frequency display
B	To allow for transmitter frequency drift
C	So that modulation sidebands do not extend beyond the band edge
D	All these choices are correct

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	Only communications incidental to contest exchanges; all other communications are prohibited
C	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
D	Communications incidental to conducting business or remarks of a personal nature

7. - T1D10

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

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

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	Operating the station over the internet
D	Repeater operation

9. - T1F04

What language may you use for identification when operating in a phone sub-band?

Select	Answer
A	Any language recognized by the United Nations
B	Any language recognized by the ITU
C	English, French, or Spanish
D	English

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 600 kHz
C	Plus or minus 5 MHz
D	Plus or minus 1 MHz

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSY
B	QRU
C	QRZ
D	QSL

12. - T2C11

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

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

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Either vertically or horizontally polarized antennas may be used for transmission or reception
C	Digital modes are unusable
D	Both the transmitting and receiving antennas must be of the same polarization

14. - T3B11

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

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

15. - T3C11

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

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

16. - T4A03

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

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

17. - T4B02

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

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

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Voltage
B	Current
C	Resistance
D	Power

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	0.02 watts
B	0.5 watts
C	50 watts
D	5 watts

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	23.8 watts
B	3.8 watts
C	138 watts
D	0.7 watts

21. - T5D12

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

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

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Diode
B	Capacitor
C	Varistor
D	Inductor

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Bipolar junction
B	Tesla-effect
C	Varistor
D	Field-effect

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Potentiometer
C	Transformer
D	Double-pole switch

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Amplifier
B	Rectifier
C	Transformer
D	Reflector

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	A voltage divider
B	An RF power amplifier
C	All these choices are correct
D	An impedance network

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Harmonics
B	Fundamental overload
C	Spurious emissions
D	All these choices are correct

28. - T7C01

What is the primary purpose of a dummy load?

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

29. - T7D01

Which instrument would you use to measure electric potential?

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

30. - T8A02

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

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

31. - T8B10

What is a LEO satellite?

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

32. - T8C09

Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

Select	Answer
A	IRLP
B	D-STAR
C	EchoLink
D	DMR

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	A system used to encrypt command signals to an amateur radio satellite
C	A special transmission format limited to video signals
D	An error correction method in which the receiving station detects errors and sends a request for retransmission

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It is mechanically fragile
B	All these choices are correct
C	It has low efficiency
D	It transmits only circularly polarized signals

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	All these choices are correct
B	Less antenna wear
C	Reduced television interference
D	Reduced signal loss

Figure T-2