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

2. - T0B06

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

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate antennas
B	All these choices are correct
C	Relocate the transmitter
D	Increase the duty cycle

4. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
B	A radio service using amateur stations for emergency management or civil defense communications
C	A radio service using amateur frequencies for emergency management or civil defense communications
D	All these choices are correct

5. - T1B08

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

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

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 inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
C	Failure to provide and maintain a correct email address with the FCC
D	Failure to have a copy of your license available at your station

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
B	Never
C	When no profit is made on the sale
D	When selling amateur radio equipment and not on a regular basis

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

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Amateur radio communications where three stations are in communications with one another
B	Operation when the transmitting equipment is licensed to a person other than the control operator
C	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
D	A message from a control operator to another amateur station control operator on behalf of another person

10. - T2A07

What is meant by "repeater offset”?

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

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

12. - T2C04

What is RACES?

Select	Answer
A	A radio contest held in a short period, sometimes called a “sprint”
B	An international radio experimentation society
C	An emergency organization combining amateur radio and citizens band operators and frequencies
D	An FCC part 97 amateur radio service for civil defense communications during national emergencies

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	All these choices are correct
B	The signal path encounters different concentrations of water vapor
C	Multipath propagation cancels or reinforces signals
D	VHF ionospheric propagation is very sensitive to path length

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From shortly after sunset to dawn during periods of low sunspot activity
B	From shortly after sunset to dawn during periods of high sunspot activity
C	From dawn to shortly after sunset during periods of low sunspot activity
D	From dawn to shortly after sunset during periods of high sunspot activity

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	To provide a good counterpoise for the antenna
D	All these choices are correct

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 CTCSS or DTMF encoder
D	The Automatic Frequency Control

18. - T5A10

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

Select	Answer
A	Current
B	Voltage
C	Power
D	Resistance

19. - T5B03

Which is equal to one kilovolt?

Select	Answer
A	One thousand volts
B	One million volts
C	One one-thousandth of a volt
D	One hundred volts

20. - T5C12

What is impedance?

Select	Answer
A	The Q or Quality Factor of a component
B	The power handling capability of a component
C	The inverse of resistance
D	The opposition to AC current flow

21. - T5D12

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

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

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Nickel-metal hydride
B	Lithium-ion
C	All these choices are correct
D	Lead-acid

23. - T6B04

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

Select	Answer
A	Alternator
B	Transistor
C	Pentagrid converter
D	Triode

24. - T6C01

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

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

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	A linear voltage regulator
B	A circuit designed to provide high-fidelity audio
C	An inductor and a capacitor in series or parallel
D	A resistor circuit used for reducing standing wave ratio

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Reduce the received signal noise
B	Set the amplifier for proper operation in the selected mode
C	Change the mode of the transmitted signal
D	Change the frequency range of the amplifier to operate in the proper segment of the band

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the interfering signal with a filter on the amateur transmitter
B	Block the amateur signal with a filter at the antenna input of the affected receiver
C	Switch the transmitter from FM to SSB
D	Switch the transmitter to a narrow-band mode

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Iambic pentameter
B	Voltmeter
C	Ohmmeter
D	Directional wattmeter

29. - T7D02

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

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

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

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

31. - T8B03

Which of the following are provided by satellite tracking programs?

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

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to a geographic location
B	An instrument for neutralizing a final amplifier
C	A letter-number designator assigned to an azimuth and elevation
D	An instrument for radio direction finding

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	A check sum that permits error detection
D	Automatic repeat request in case of error

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	Signal strength is reduced due to the shielding effect of the vehicle
C	The SWR might decrease, decreasing the signal strength
D	The bandwidth of the antenna will decrease, increasing SWR

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	An indication of the quality of your station’s ground connection
B	A measure of how well a load is matched to a transmission line
C	The transmitter efficiency ratio
D	The ratio of amplifier power output to input