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

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	Sharp bends must be avoided
C	Wires must be carefully routed with precise right-angle bends
D	Use only non-insulated wire

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

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	FEMA
B	All these choices are correct
C	Homeland Security
D	The FCC

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	1500 watts
B	100 watts
C	50 watts
D	500 watts

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with a General or Amateur Extra Class license
B	Any licensed amateur
C	Only a licensed amateur who has been licensed continuously for more than 10 years
D	Only a licensed amateur with an Amateur Extra Class license

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	Any such language is prohibited
B	There is no such prohibition
C	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
D	The ITU maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	Never
B	When the transmitting station is an auxiliary station
C	When using automatic control, such as in the case of a repeater
D	When the station licensee is away and another licensed amateur is using the station

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time ten days after notification by the FCC of such an inspection
B	At any time after written notification by the FCC of such inspection
C	Only when presented with a valid warrant by an FCC official or government agent
D	At any time upon request by an FCC representative

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 plan devised by a club to indicate frequency band usage
C	A list of operating schedules
D	A list of available net 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	Improper transceiver offset
C	All these choices are correct
D	You are using the wrong DCS code

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	Record the time of each of your transmissions
B	All these choices are correct
C	Unless you are reporting an emergency, transmit only when directed by the net control station
D	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	The modulation sidebands might become inverted
B	Signals have an echo effect
C	Nothing significant will happen
D	Received signal strength is reduced

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are in parallel
B	They revolve in opposite directions
C	They are at right angles
D	They travel at different speeds

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	D region absorption
B	Gray-line propagation
C	Sporadic E
D	Backscatter

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device that assists in manual sending of Morse code
B	An interlock to prevent unauthorized use of a radio
C	A device for voice activated switching from receive to transmit
D	A device for switching antennas from transmit to receive

17. - T4B05

What does the scanning function of an FM transceiver do?

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

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Frequency
B	Speed
C	Pulse rate
D	Wavelength

19. - T5B12

Which is equal to 28400 kHz?

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

20. - T5C05

What is the unit of impedance?

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

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	2 amperes
B	0.5 amperes
C	100 amperes
D	20,000 amperes

22. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Potentiometer
B	Transformer
C	Fixed resistor
D	Power resistor

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. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Ground
B	Dummy load
C	Transmitter
D	Antenna

25. - T6D10

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

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

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Input for a key used to send CW
B	Switches transceiver from receive to transmit when grounded
C	Input for a preamplifier tuning tone
D	Provides a transmit tuning tone when grounded

27. - T7B08

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

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

28. - T7C08

Which instrument can be used to determine SWR?

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

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 applied voltages are correct
D	Ensure that the circuit is grounded

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Inverted sideband
B	Lower sideband
C	Upper sideband
D	Suppressed sideband

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite frequencies are usually variable
B	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
C	The satellite operates using ultraviolet frequencies
D	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Net operations
B	Simulated emergency exercises
C	Contesting
D	Public service events

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A satellite communications network using modified commercial satellite TV hardware
B	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
C	An internet linking protocol used to network repeaters
D	A wide-bandwidth digital voice mode employing DMR protocols

34. - T9A01

What is a beam antenna?

Select	Answer
A	An omnidirectional antenna invented by Clarence Beam
B	An antenna that concentrates signals in one direction
C	An antenna built from aluminum I-beams
D	An antenna that reverses the phase of received signals

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	50-ohm flexible coax
B	75-ohm flexible coax
C	Multi-conductor unbalanced cable
D	Air-insulated hardline

Figure T-3

Figure T-1