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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	To remove power in case of overload
B	To prevent power supply ripple from damaging a component
C	All these choices are correct
D	To limit current to prevent shocks

2. - T0B01

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

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

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	All these choices are correct
B	By measurement of field strength using calibrated equipment
C	By calculation based on computer modeling
D	By calculation based on FCC OET Bulletin 65

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing personal radio communications for as many citizens as possible
B	All these choices are correct
C	Providing communications for international non-profit organizations
D	Advancing skills in the technical and communication phases of the radio art

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	Digital transmissions are not permitted in those segments
B	International communications are not permitted in those segments
C	U.S. amateurs must give foreign amateur stations priority in those segments
D	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them

6. - T1C03

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

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

7. - T1D11

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

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

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The person operating the station equipment
B	The third party participant
C	The station licensee
D	The station custodian

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The licensed control operator must do the station identification
B	The foreign station must be in a country with which the U.S. has a third party agreement
C	The person must be a U.S. citizen
D	All these choices are correct

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The difference between a repeater’s transmit and receive frequencies
B	The number of simultaneous transmit frequencies used by a repeater
C	The repeater has a time delay to prevent interference
D	The repeater station identification is done on a separate frequency

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
B	Multiple repeaters with the same control operator
C	A system of repeaters linked by APRS
D	A single repeater with more than one receiver

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Unless you are reporting an emergency, transmit only when directed by the net control station
B	Record the time of each of your transmissions
C	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
D	All these choices are correct

13. - T3A09

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

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

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

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 provide a good counterpoise for the antenna
C	All these choices are correct
D	To minimize voltage drop when transmitting

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Use the scan mode to select the desired frequency
B	Enable the VOX
C	Store it in a memory channel
D	Enable the frequency offset

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	1500 MHz
B	1500 kHz
C	15 GHz
D	150 kHz

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	mh
B	MHz
C	MH
D	Mhz

21. - T5D08

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

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

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Carbon-zinc
B	Lead-acid
C	Lithium-ion
D	Nickel-cadmium

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Potentiometer
B	Transistor
C	Varistor
D	Thermistor

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable inductor
B	Variable capacitor
C	Connector
D	Meter

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Capacitor
B	Resistor
C	Zener diode
D	Potentiometer

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the antenna and receiver
B	At the output of the transmitter power amplifier
C	Between the transmitter and the antenna tuner
D	At the output of the receiver audio amplifier

27. - T7B03

Which of the following can cause radio frequency interference?

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

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	Because power supplies cannot supply enough current at high SWR
B	To protect the output amplifier transistors
C	To comply with FCC rules on spectral purity
D	To lower the SWR on the transmission line

29. - T7D09

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

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

30. - T8A05

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

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

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	All these choices are correct
B	Your signal strength on the downlink should be about the same as the beacon
C	Check your signal strength report in the telemetry data
D	Listen for distortion on your downlink signal

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A system for providing access to websites via amateur radio

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	A header that contains the call sign of the station to which the information is being sent
B	All these choices are correct
C	Automatic repeat request in case of error
D	A check sum that permits error detection

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A vertically polarized antenna
B	A horizontally polarized antenna
C	A travelling-wave antenna
D	A ground-wave antenna

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is less expensive than any other type of feed line
B	It can handle more power than any other type of feed line
C	It is easy to use and requires few special installation considerations
D	It has less loss than any other type of feed line

Figure T-3