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. - T0A08

Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

Select	Answer
A	In series with the hot conductor only
B	In parallel with the hot conductor only
C	In series with the hot and neutral conductors
D	In parallel with the hot and neutral conductors

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	All these choices are correct
B	The 60 Hz radiations from the feed line may increase the SWR
C	The antenna could contact high-voltage power lines
D	The antenna will not work properly because of induced voltages

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
B	RF radiation is limited in range to a few feet
C	RF radiation can only be detected with an RF dosimeter
D	RF radiation is perfectly safe

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. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Emergency traffic only
B	Spread spectrum only
C	Fast-scan television only
D	Fixed digital message forwarding systems only

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Novice, Technician, General, Amateur Extra
B	Technician, General, Amateur Extra
C	Technician, Technician Plus, General, Amateur Extra
D	Novice, Technician Plus, General, Advanced

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	Never
B	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
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. - T1E06

When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

Select	Answer
A	At no time
B	When using a club station whose trustee holds an Amateur Extra Class license
C	When designated as the control operator by an Amateur Extra Class licensee
D	As part of a multi-operator contest team

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least every 10 minutes during and at the end of a communication
C	At least once during each transmission
D	At the beginning of each contact, and every 10 minutes thereafter

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say "CQ" three times, then the other station's call sign
B	Say "break, break," then say the station's call sign
C	Wait for the station to call CQ, then answer
D	Say the station's call sign, then identify with your call sign

11. - T2B01

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

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

12. - T2C11

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

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

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Interference from thunderstorms
B	Intermodulation distortion
C	Frequency shift due to Faraday rotation
D	Random combining of signals arriving via different paths

14. - T3B11

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

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Quantum tunneling
B	Faraday rotation
C	Knife-edge diffraction
D	Doppler shift

16. - T4A09

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

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

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	All these choices are correct
B	Your call sign
C	The codec type being used
D	Your output power

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Voltage
C	Inductance
D	Ampere-hours

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.003 amperes
B	3 amperes
C	3,000,000 amperes
D	0.3 amperes

20. - T5C08

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

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

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I + R
B	E = I - R
C	E = I x R
D	E = I / R

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Inductor
B	Varistor
C	Diode
D	Capacitor

23. - T6B02

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

Select	Answer
A	Fuse
B	Diode
C	Resistor
D	Driven element

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Bill of materials
B	Connector pinout
C	Schematic
D	Flow chart

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	FET
C	LED
D	Zener diode

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for converting receiver and transmitter frequencies to another band
B	A device that combines a receiver and transmitter
C	A device for automatically sending and decoding Morse code
D	A device for matching feed line impedance to 50 ohms

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing bypass capacitors on the microphone cable
B	Using double-shielded coaxial cable
C	Installing an RF preamplifier
D	Installing a band-reject filter

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Impedance mismatch
B	Loss of -4 dB
C	Good impedance match
D	Gain of +4 dB

29. - T7D09

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

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

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	More than 10 MHz
B	About 3 MHz
C	About 1 MHz
D	About 6 MHz

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	FM
B	CW/data
C	All these choices are correct
D	SSB

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Net operations
B	Public service events
C	Simulated emergency exercises
D	Contesting

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
B	Providing information on the number of stations signed into a repeater
C	Providing voice over internet connection between repeaters
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A03

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

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

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	Multiple connectors in the line
B	Water intrusion into coaxial connectors
C	High SWR
D	All these choices are correct