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	All these choices are correct
C	To remove power in case of overload
D	To limit current to prevent shocks

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Insulate the base of the tower to avoid lightning strikes
B	All these choices are correct
C	Look for and stay clear of any overhead electrical wires
D	Wear a ground strap connected to your wrist at all times

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the average exposure to radiation
B	It affects the peak exposure to radiation
C	It takes into account the antenna feed line loss
D	It takes into account the thermal effects of the final amplifier

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Advancing skills in the technical and communication phases of the radio art
B	All these choices are correct
C	Providing personal radio communications for as many citizens as possible
D	Providing communications for international non-profit organizations

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
B	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
C	902.0 MHz to 902.1 MHz
D	All these choices are correct

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. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
B	Any country banned from making such communications by the American Radio Relay League (ARRL)
C	Any country banned from such communications by the International Amateur Radio Union (IARU)
D	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The station licensee
B	The frequency coordinator
C	The FCC
D	Any licensed operator

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Never, the tactical call is sufficient
B	At the end of every transmission
C	At the end of each communication and every ten minutes during a communication
D	Once during every hour

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A voluntary guideline for using different modes or activities within an amateur band
B	A list of available net frequencies
C	A plan devised by a club to indicate frequency band usage
D	A list of operating schedules

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	GPRS
C	DTMF
D	D-STAR

12. - T2C04

What is RACES?

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

13. - T3A06

What is the meaning of the term “picket fencing”?

Select	Answer
A	A type of ground system used with vertical antennas
B	Alternating transmissions during a net operation
C	Local vs long-distance communications
D	Rapid flutter on mobile signals due to multipath propagation

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	HF accommodates wider bandwidth signals
B	Long-distance ionospheric propagation is far more common on HF
C	HF antennas are generally smaller
D	There is less atmospheric interference (static) on HF

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	At the 12 volt battery chassis ground
C	At the antenna mount
D	To any metal part of the vehicle

17. - T4B05

What does the scanning function of an FM transceiver do?

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

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Aluminum
B	Glass
C	Mercury
D	Copper

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	28.400 MHz
B	2.800 MHz
C	28.400 kHz
D	284.00 MHz

20. - T5C04

What is the unit of inductance?

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

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	216 amperes
D	0.1 amperes

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole single-throw
B	Single-pole double-throw
C	Double-pole double-throw
D	Double-pole single-throw

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Gate and base
B	Source and drain
C	Plus and minus
D	Anode and cathode

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Resistor
B	Connector
C	Indicator lamp
D	Transistor

25. - T6D10

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

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

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Linearity
B	Total Harmonic Distortion
C	Selectivity
D	Sensitivity

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a high-pass filter to the TV antenna input
B	Add a preamplifier to the TV antenna input
C	Add a low-pass filter to the TV antenna input
D	Be sure all TV feed line coaxial connectors are installed properly

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet resistant jackets prevent harmonic radiation
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet light can increase losses in the cable’s jacket
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is operating at the correct frequency
B	Ensure that the circuit is not powered
C	Ensure that the circuit is grounded
D	Ensure that the applied voltages are correct

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	FM
B	SSB
C	DRM
D	PM

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	An observed change in signal frequency caused by relative motion between the satellite and Earth station
B	A mode where the satellite receives signals on one band and transmits on another
C	A special digital communications mode for some satellites
D	A change in the satellite orbit

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A digipeater
B	A beacon
C	A gateway
D	A repeater

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	An error correction method in which the receiving station detects errors and sends a request for retransmission
B	A system used to encrypt command signals to an amateur radio satellite
C	A special transmission format limited to video signals
D	A method of compressing data using autonomous reiterative Q codes prior to final encoding

34. - T9A07

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

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

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It has less loss than any other type of feed line
B	It can handle more power than any other type of feed line
C	It is easy to use and requires few special installation considerations
D	It is less expensive than any other type of feed line

Figure T-2

Figure T-1