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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause involuntary muscle contractions
B	All these choices are correct
C	It may disrupt the electrical functions of cells
D	It may cause injury by heating tissue

2. - T0B10

Which of the following is true when installing grounding conductors used for lightning protection?

Select	Answer
A	Use only non-insulated wire
B	Sharp bends must be avoided
C	Common grounds must be avoided
D	Wires must be carefully routed with precise right-angle bends

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

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Volunteer Frequency Coordinator recognized by local amateurs
B	Frequency Spectrum Manager appointed by the FCC
C	FCC Regional Field Office
D	International Telecommunication Union

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
B	Any amateur holding a General class or higher license who has applied for and received approval from NASA
C	Any amateur holding a General class or higher license
D	Any amateur holding a Technician class or higher license

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Revocation of the station license or suspension of the operator license
B	Nothing; there is no such requirement
C	Revocation of access to the license record in the FCC system
D	Fine and suspension of operator license

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

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The highest class of operator license held by anyone on the premises
C	The frequencies printed on the license grant
D	The frequency authorized by the frequency coordinator

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	All these choices are correct
C	The club must have at least four members
D	The club must be registered with the American Radio Relay League

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	All these choices are correct
B	Make sure you are authorized to use that frequency
C	Listen first to be sure that no one else is using the frequency
D	Ask if the frequency is in use

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For working DX only
B	For contest operation
C	So stations within range of each other can communicate without tying up a repeater
D	So stations with simple transmitters can access the repeater without automated offset

12. - T2C11

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

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

13. - T3A02

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

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

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	D region refraction
B	Tropospheric ducting
C	F2 region refraction
D	Faraday rotation

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To a computer running a terminal program and connected to a terminal node controller unit
B	To the audio input and output of a computer running WSJT-X software
C	To a computer connected to the FT8converter.com website
D	To an FT8 conversion unit, a keyboard, and a computer monitor

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits noise or interference reduction by selecting a bandwidth matching the mode
B	Permits monitoring several modes at once by selecting a separate filter for each mode
C	Increases the amount of offset between receive and transmit frequencies
D	Increases the number of frequencies that can be stored in memory

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B02

Which is equal to 1,500,000 hertz?

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khZ
B	khz
C	kHz
D	KHZ

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Parallel
B	Branch
C	Resonant
D	Series

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Varistor
B	Bipolar junction
C	Tesla-effect
D	Field-effect

24. - T6C10

What is component 3 in figure T-3?

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

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transformer
B	Transducer
C	Integrated circuit
D	Multi-pole relay

26. - T7A04

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

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

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
B	Make sure your station meets the standards of good amateur practice
C	All these choices are correct
D	Work with your neighbor to identify the offending device

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A low-voltage power supply and a DC relay
B	A high-gain amplifier and a TR switch
C	A 50-ohm reactance used to terminate a transmission line
D	A non-inductive resistor mounted on a heat sink

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Increasing resistance with time
B	Decreasing resistance with time
C	Alternating between open and short circuit
D	Steady full-scale reading

30. - T8A04

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

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

31. - T8B04

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

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

32. - T8C02

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

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

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A Normal Transmission mode in Static Circuit
B	An analog fast-scan color TV signal
C	A frame compression scheme for TV signals
D	A special mode for satellite uplink

34. - T9A12

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

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Local thunderstorm
B	Loose connection in the antenna or feed line
C	Over-modulation
D	Overload from a strong local station

Figure T-3