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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Half-wave rectification
B	Inverse memory effect
C	Excess output ripple
D	Overheating or out-gassing

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	Local electrical codes
B	FCC Part 97 rules
C	FAA tower lighting regulations
D	UL recommended practices

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	All these choices are correct
C	Frequency and power level of the RF field
D	Radiation pattern of the antenna

4. - T1A06

What is the FCC Part 97 definition of a beacon?

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

5. - T1B11

What is the maximum peak envelope power output for Technician class operators in their HF band segments?

Select	Answer
A	200 watts
B	50 watts
C	10 watts
D	100 watts

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, as soon as you apply for renewal
B	No, you must wait until the license has been renewed
C	Yes, for up to two years
D	Yes, for up to one year

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Broadcasting
B	In all circumstances
C	Telecommand or transmissions of telemetry
D	International Morse Code Practice

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The control operator of the originating station
B	The owner of the repeater
C	Both the originating station and the repeater owner
D	The control operator of the repeater

10. - T2A10

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

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

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Must match the repeater color code for access
B	Defines the frequency pair to use
C	Identifies the codec used
D	Defines the minimum signal level required for access

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only in situations involving the immediate safety of human life or protection of property
B	No
C	Yes, but only when part of a FEMA emergency plan
D	Yes, but only when part of a RACES emergency plan

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	No significant changes will occur if the signals are transmitted using FM
B	Transmission rates must be increased by a factor equal to the number of separate paths observed
C	Transmission rates must be decreased by a factor equal to the number of separate paths observed
D	Error rates are likely to increase

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	The approximate wavelength in meters
B	All these choices are correct
C	Traditional letter/number designators
D	Channel numbers

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio signals move somewhat faster than the speed of light
B	Radio waves are not blocked by dust particles
C	The atmosphere refracts radio waves slightly
D	Radio waves are blocked by dust particles

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Steel wire
B	Flat copper strap
C	Copper braid removed from coaxial cable
D	Twisted-pair cable

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your call sign
B	The codec type being used
C	All these choices are correct
D	Your output power

18. - T5A09

Which of the following describes alternating current?

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

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	3 amperes
B	0.3 amperes
C	3,000,000 amperes
D	0.003 amperes

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	30 watts
B	0.208 watts
C	14.5 watts
D	4.8 watts

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	13.5 ohms
B	0.125 ohms
C	8 ohms
D	18 ohms

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Resistor
B	Transformer
C	Inductor
D	Inverter

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Reactor
B	Transistor
C	Resistor
D	Transformer

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Resistor
C	Inductor
D	Regulator IC

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Transformer
B	Diode
C	Transistor
D	Variable capacitor

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the mode of the transmitted signal
B	Change the frequency range of the amplifier to operate in the proper segment of the band
C	Set the amplifier for proper operation in the selected mode
D	Reduce the received signal noise

27. - T7B05

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Block the interfering signal with a filter on the amateur transmitter
B	Switch the transmitter to a narrow-band mode
C	Switch the transmitter from FM to SSB
D	Block the amateur signal with a filter at the antenna input of the affected receiver

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	Because power supplies cannot supply enough current at high SWR
B	To lower the SWR on the transmission line
C	To comply with FCC rules on spectral purity
D	To protect the output amplifier transistors

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

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

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	FM signals are harder to tune
B	Only one signal can be received at a time
C	All these choices are correct
D	Voice quality is poorer

31. - T8B05

What is a satellite beacon?

Select	Answer
A	The primary transmit antenna on the satellite
B	A transmission from a satellite that contains status information
C	A reflective surface on the satellite
D	An indicator light that shows where to point your antenna

32. - T8C01

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

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

33. - T8D13

What is FT8?

Select	Answer
A	A wideband FM voice mode
B	A digital slow-scan TV mode with forward error correction and automatic color compensation
C	A digital mode capable of low signal-to-noise operation
D	An eight channel multiplex mode for FM repeaters

34. - T9A07

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

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

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	Type N
B	RS-213
C	UHF (PL-259/SO-239)
D	DB-25

Figure T-2