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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	The antenna could contact high-voltage power lines
B	The 60 Hz radiations from the feed line may increase the SWR
C	All these choices are correct
D	The antenna will not work properly because of induced voltages

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Distance from the antenna to a person
B	Frequency and power level of the RF field
C	Radiation pattern of the antenna
D	All these choices are correct

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
B	A bulletin sent by the FCC to announce a national emergency
C	A government transmitter marking the amateur radio band edges
D	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Emergency traffic only
B	Spread spectrum only
C	Fast-scan television only
D	Fixed digital message forwarding systems only

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Life
B	Five years
C	Eight years
D	Ten years

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is made to obtain emergency information for a local broadcast station
B	When the communication is related to the sale of amateur equipment by the control operator's employer
C	All these choices are correct
D	When the communication is incidental to classroom instruction at an educational institution

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The station custodian
B	The third party participant
C	The station licensee
D	The person operating the station equipment

9. - T1F08

What is the definition of third party communications?

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

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 operating schedules
C	A list of available net frequencies
D	A plan devised by a club to indicate frequency band usage

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	Carrier squelch
D	CTCSS

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Passing messages exactly as received
B	All these choices are correct
C	Making decisions as to whether messages are worthy of relay or delivery
D	Ensuring that any newsworthy messages are relayed to the news media

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

14. - T3B09

What frequency range is referred to as UHF?

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

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

16. - T4A12

What is an electronic keyer?

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

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By enabling the group’s CTCSS tone
B	By retrieving the frequencies from transceiver memory
C	By activating automatic identification
D	By entering the group’s identification code

18. - T5A09

Which of the following describes alternating current?

Select	Answer
A	Current that alternates between a positive direction and zero
B	All these answers are correct
C	Current that alternates between a negative direction and zero
D	Current that alternates between positive and negative directions

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C13

What is the abbreviation for kilohertz?

Select	Answer
A	khz
B	khZ
C	kHz
D	KHZ

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	16 ohms
B	8 ohms
C	48 ohms
D	3 ohms

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Capacitively-coupled RF signal
B	Inductively-coupled RF signal
C	Forward current
D	Reverse current

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Potentiometer
C	Meter
D	Relay

26. - T7A01

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Spurious emissions
B	Harmonics
C	All these choices are correct
D	Fundamental overload

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A frequency counter
B	A Q meter
C	A VTVM
D	An antenna analyzer

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

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

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	All these choices are correct
B	SSB signals have narrower bandwidth
C	SSB signals are easier to tune in correctly
D	SSB signals are less susceptible to interference

31. - T8B04

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

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

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Echolocation
B	Doppler radar
C	Radio direction finding
D	Phase locking

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

34. - T9A11

What is antenna gain?

Select	Answer
A	The additional power that is added to the transmitter power
B	The increase in impedance on receive or transmit compared to a reference antenna
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	An indication of the quality of your station’s ground connection
C	A measure of how well a load is matched to a transmission line
D	The ratio of amplifier power output to input

Figure T-2