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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Shorting the terminals can cause burns, fire, or an explosion
B	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
C	Touching both terminals with the hands can cause electrical shock
D	All these choices are correct

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	The height of the power line above ground
B	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
C	1/2 wavelength at the operating frequency
D	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5

3. - T0C07

What hazard is created by touching an antenna during a transmission?

Select	Answer
A	RF burn to skin
B	Electrocution
C	Radiation poisoning
D	All these choices are correct

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Frequency Spectrum Manager appointed by the FCC
B	FCC Regional Field Office
C	Volunteer Frequency Coordinator recognized by local amateurs
D	International Telecommunication Union

5. - T1B01

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

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

6. - T1C08

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

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

7. - T1D02

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

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

8. - T1E03

Who must designate the station control operator?

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

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC stroke W3
B	KL7CC slash W3
C	All these choices are correct
D	KL7CC slant W3

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Listen first to be sure that no one else is using the frequency
B	All these choices are correct
C	Make sure you are authorized to use that frequency
D	Ask if the frequency is in use

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	Carrier squelch
B	DTMF
C	Tone burst
D	CTCSS

12. - T2C04

What is RACES?

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

13. - T3A06

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

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

14. - T3B05

What is the relationship between wavelength and frequency?

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

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

16. - T4A08

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

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

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	Access information for repeaters and talkgroups
B	The DMR software version
C	Your call sign in CW for automatic identification
D	The codec for digitizing audio

18. - T5A12

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

Select	Answer
A	Wavelength
B	Speed
C	Pulse rate
D	Frequency

19. - T5B08

Which is equal to 1,000,000 picofarads?

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

20. - T5C05

What is the unit of impedance?

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

21. - T5D09

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

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

22. - T6A12

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

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

23. - T6B01

Which is true about forward voltage drop in a diode?

Select	Answer
A	It is lower in some diode types than in others
B	It indicates that the diode is defective
C	It is proportional to peak inverse voltage
D	It has no impact on the voltage delivered to the load

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Lamp
B	Transistor
C	Resistor
D	Ground symbol

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Phase inverter
B	Filter
C	Regulator
D	Oscillator

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	High-pass filter
B	Low-pass filter
C	Transverter
D	Phase converter

27. - T7B02

What would cause a broadcast AM or FM radio to receive an amateur radio transmission unintentionally?

Select	Answer
A	The receiver is unable to reject strong signals outside the AM or FM band
B	The microphone gain of the transmitter is turned up too high
C	The audio amplifier of the transmitter is overloaded
D	The deviation of an FM transmitter is set too low

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D02

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

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	SSB voice
B	FM voice
C	Slow-scan TV
D	CW

31. - T8B05

What is a satellite beacon?

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

32. - T8C11

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

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

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	GPS position data
B	Weather data
C	Text messages
D	All these choices are correct

34. - T9A07

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

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

35. - T9B11

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

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

Figure T-2

Figure T-1