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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the output connector of a transceiver
B	At the antenna feed point
C	On a grounded panel near where feed lines enter the building
D	At the ac power service panel

2. - T0B09

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

Select	Answer
A	The antenna could contact high-voltage power lines
B	The antenna will not work properly because of induced voltages
C	The 60 Hz radiations from the feed line may increase the SWR
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	By measurement of field strength using calibrated equipment
B	All these choices are correct
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	All these choices are correct
B	Providing personal radio communications for as many citizens as possible
C	Providing communications for international non-profit organizations
D	Advancing skills in the technical and communication phases of the radio art

5. - T1B11

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

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

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

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Broadcasting
B	In all circumstances
C	International Morse Code Practice
D	Telecommand or transmissions of telemetry

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When the station licensee is away and another licensed amateur is using the station
B	When using automatic control, such as in the case of a repeater
C	When the transmitting station is an auxiliary station
D	Never

9. - T1F04

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

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	All these choices are correct
B	Conduct tests only between 10 p.m. and 6 a.m. local time
C	Identify the transmitting station
D	Notify the FCC of the transmissions

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce a CW transmitter's key clicks
B	Mute the receiver audio when a signal is not present
C	Reduce interference from impulse noise
D	Eliminate parasitic oscillations in an RF amplifier

12. - T2C07

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

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

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Right-hand circular
B	Left-hand circular
C	Horizontal
D	Vertical

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 frequency in hertz divided by 300
C	Wavelength in meters equals frequency in hertz multiplied by 300
D	Wavelength in meters equals 300 divided by frequency in megahertz

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. - T4A03

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

Select	Answer
A	To minimize voltage drop when transmitting
B	To avoid RF interference
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	All these choices are correct
B	The keypad or VFO knob
C	The Automatic Frequency Control
D	The CTCSS or DTMF encoder

18. - T5A12

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

Select	Answer
A	Pulse rate
B	Wavelength
C	Frequency
D	Speed

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	3 amperes
B	0.003 amperes
C	0.3 amperes
D	3,000,000 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 = I + E
C	P = E – I
D	P = I  E

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	1 volt
B	11 volts
C	10 volts
D	9 volts

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Inductor
B	Capacitor
C	Varistor
D	Diode

23. - T6B03

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

Select	Answer
A	Transistor
B	Potentiometer
C	Thermistor
D	Varistor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Connector
B	Transistor
C	Indicator lamp
D	Resistor

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Control the flow of current
B	Convert electrical energy into radio waves
C	Supply electrical energy
D	Give off light when current flows through it

26. - T7A04

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

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

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Let the transceiver cool off
B	Talk louder into the microphone
C	Change to a higher power level
D	Talk farther away from the microphone

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	6 kHz
B	1 kHz
C	15 kHz
D	3 kHz

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	Listen for distortion on your downlink signal
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	All these choices are correct

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	Contesting
D	Simulated emergency exercises

33. - T8D10

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

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

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Shortening it
B	Inserting coils in series with radiating wires
C	Lengthening it
D	Adding capacitive loading to the ends of the radiating wires

35. - T9B02

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

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

Figure T-1