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

2. - T0B10

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

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

3. - T0C12

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

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

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	All these choices are correct
B	The license appears in the FCC ULS database
C	A printed copy of the certificate of successful completion of examination
D	An email notification from the NCVEC granting the license

5. - T1B01

Which of the following frequency ranges are available for phone operation by Technician licensees?

Select	Answer
A	28.300 MHz to 28.500 MHz
B	28.500 MHz to 28.600 MHz
C	28.100 MHz to 28.300 MHz
D	28.050 MHz to 28.150 MHz

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

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	When broadcasting communications to or from the space shuttle
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	When such communications are directly related to the immediate safety of human life or protection of property

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	The control operator must be at the control point
B	The control operator must indirectly manipulate the controls
C	A control operator is required at all times
D	All these choices are correct

9. - T1F11

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

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

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Only the called station should transmit
B	Test transmission, no reply expected
C	Calling any station
D	Call on the quarter hour

11. - T2B02

What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

Select	Answer
A	Tone burst
B	DTMF
C	CTCSS
D	Carrier squelch

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	A box on the message form that indicates that the message was received and/or relayed
C	A list of stations that have relayed the message
D	The call sign of the originating station

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Colder temperatures
B	High winds
C	Low barometric pressure
D	Precipitation

14. - T3B05

What is the relationship between wavelength and frequency?

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

15. - T3C05

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

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

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	Through the transceiver’s mounting bracket
B	To any metal part of the vehicle
C	At the 12 volt battery chassis ground
D	At the antenna mount

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Prevents interference to nearby repeaters
B	Checks incoming signal deviation
C	Checks for messages left on a digital bulletin board
D	Tunes through a range of frequencies to check for activity

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	They have many free protons
B	They have many free electrons
C	They have relatively high density
D	All these choices are correct

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1 microfarad
B	0.001 microfarads
C	1,000,000,000 microfarads
D	1000 microfarads

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The volt
B	The ohm
C	The coulomb
D	The ampere

21. - T5D09

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

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

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B05

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

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

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable capacitor
B	Variable resistor
C	Variable inductor
D	Variable transformer

25. - T6D07

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

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

26. - T7A11

Where is an RF preamplifier installed?

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

27. - T7B07

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

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used at below freezing temperatures
B	It requires special techniques to prevent moisture in the cable
C	It has more loss per foot
D	It cannot be used for VHF or UHF antennas

29. - T7D10

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

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The satellite transmitted power
B	The Keplerian elements
C	The last observed time of zero Doppler shift
D	All these choices are correct

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By using CTCSS tone codes
B	By entering the proper internet password
C	By using DTMF signals
D	By obtaining a password that is sent via voice to the node

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Pulse Shift Keying
B	Phase Shift Keying
C	Phased Slide Keying
D	Packet Short Keying

34. - T9A11

What is antenna gain?

Select	Answer
A	The increase in impedance on receive or transmit compared to a reference antenna
B	The additional power that is added to the transmitter power
C	The additional power that is required in the antenna when transmitting on a higher frequency
D	The increase in signal strength in a specified direction compared to a reference antenna

35. - T9B12

What is standing wave ratio (SWR)?

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

Figure T-2