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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	Install mechanical interlocks in high-voltage circuits
B	Connect all AC powered station equipment to a common safety ground
C	Use three-wire cords and plugs for all AC powered equipment
D	All these choices are correct

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
B	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
C	The height of the power line above ground
D	1/2 wavelength at the operating frequency

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Higher frequency RF fields are transient in nature
B	Lower frequency RF fields do not penetrate the human body
C	Lower frequency RF fields have more energy than higher frequency fields
D	The human body absorbs more RF energy at some frequencies than at others

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	An amateur station using amateur radio satellites for relay of signals
B	Any satellite orbiting Earth
C	An amateur station located more than 50 km above Earth's surface
D	A manned satellite orbiting Earth

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. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to obtain FCC type acceptance prior to using a home-built transmitter
B	Failure to have a copy of your license available at your station
C	Failure to provide and maintain a correct email address with the FCC
D	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	All these choices are correct
B	When the communication is made to obtain emergency information for a local broadcast station
C	When the communication is incidental to classroom instruction at an educational institution
D	When the communication is related to the sale of amateur equipment by the control operator's employer

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 station licensee
C	The station custodian
D	The third party participant

9. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	The trustee must have an Amateur Extra Class operator license grant
B	The club must be registered with the American Radio Relay League
C	All these choices are correct
D	The club must have at least four members

10. - T2A06

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

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

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	You are using the wrong DCS code
B	You are using the wrong CTCSS tone
C	Improper transceiver offset
D	All these choices are correct

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a RACES emergency plan
B	Yes, but only in situations involving the immediate safety of human life or protection of property
C	Yes, but only when part of a FEMA emergency plan
D	No

13. - T3A02

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength gets longer as frequency increases
C	Wavelength and frequency are unrelated
D	Wavelength gets shorter as frequency increases

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Tropospheric ducting
B	Faraday rotation
C	F2 region refraction
D	D region refraction

16. - T4A09

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

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

17. - T4B09

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

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

18. - T5A10

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

Select	Answer
A	Power
B	Current
C	Resistance
D	Voltage

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	35.25 kHz
B	0.003525 kHz
C	3,525,000 kHz
D	3525 kHz

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The ohm
B	The volt
C	The farad
D	The henry

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	10 amperes
B	24,000 amperes
C	0.1 amperes
D	216 amperes

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Resistance
C	Capacitance
D	Field strength

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Transistor
B	Alternator
C	Triode
D	Pentagrid converter

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Connector
C	Resistor
D	Transistor

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Variable capacitor
C	Diode
D	Transistor

26. - T7A11

Where is an RF preamplifier installed?

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

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Reports of garbled, distorted, or unintelligible voice transmissions
B	Frequent blowing of power supply fuses
C	The transmitter will not stay on the desired frequency
D	Excessive SWR at the antenna connection

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In parallel
B	In quadrature
C	In series
D	In phase

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	DRM
B	FM
C	PM
D	SSB

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	The apparent frequency of the satellite transmission, including effects of Doppler shift
B	Maps showing the real-time position of the satellite track over Earth
C	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
D	All these choices are correct

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A calibrated noise bridge
B	All these choices are correct
C	Calibrated SWR meter
D	A directional antenna

33. - T8D13

What is FT8?

Select	Answer
A	A digital mode capable of low signal-to-noise operation
B	A wideband FM voice mode
C	A digital slow-scan TV mode with forward error correction and automatic color compensation
D	An eight channel multiplex mode for FM repeaters

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It eliminates distortion caused by reflected signals
B	It has 10 times the power gain of a 1/4 wavelength whip
C	It has more gain than a 1/4-wavelength antenna
D	It radiates at a very high angle

35. - T9B08

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

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

Figure T-1