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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Keep them as far apart as possible
B	Bond them together with heavy wire or conductive strap
C	Waterproof them with silicone caulk or electrical tape
D	Tune them for resonance on the lowest frequency of operation

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Make sure all ground wire bends are right angles
B	Put a drip loop in the ground connection to prevent water damage to the ground system
C	Ensure that connections are short and direct
D	All these choices are correct

3. - T0C01

What type of radiation are radio signals?

Select	Answer
A	Ionizing radiation
B	Alpha radiation
C	Non-ionizing radiation
D	Gamma radiation

4. - T1A06

What is the FCC Part 97 definition of a beacon?

Select	Answer
A	A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
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 government transmitter marking the amateur radio band edges

5. - T1B05

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

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Nothing; there is no such requirement
B	Fine and suspension of operator license
C	Revocation of access to the license record in the FCC system
D	Revocation of the station license or suspension of the operator license

7. - T1D06

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

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

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Controlling a station over the internet
B	Repeater operation
C	Using a computer or other device to send CW automatically
D	Using a computer or other device to identify automatically

9. - T1F10

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

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

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 5 MHz
B	Plus or minus 1 MHz
C	Plus or minus 600 kHz
D	Plus or minus 500 kHz

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	Carrier squelch
C	CTCSS
D	DTMF

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	FCC rules always apply
B	When operating a RACES station
C	When operating under special FEMA rules
D	When operating under special ARES rules

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Random combining of signals arriving via different paths
B	Frequency shift due to Faraday rotation
C	Intermodulation distortion
D	Interference from thunderstorms

14. - T3B05

What is the relationship between wavelength and frequency?

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

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Updrafts from hurricanes and tornadoes
B	Sunspots and solar flares
C	Temperature inversions in the atmosphere
D	Discharges of lightning during electrical storms

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 4 amperes
B	24.0 volts at 12 amperes
C	13.8 volts at 12 amperes
D	13.8 volts at 4 amperes

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	The keypad or VFO knob
B	The Automatic Frequency Control
C	The CTCSS or DTMF encoder
D	All these choices are correct

18. - T5A03

What is the name for the flow of electrons in an electric circuit?

Select	Answer
A	Resistance
B	Current
C	Capacitance
D	Voltage

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	1500 milliamperes
B	15 milliamperes
C	15,000 milliamperes
D	150 milliamperes

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Capacitance
B	Inductance
C	Resistance
D	Tolerance

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Parallel
B	Branch
C	Series
D	Resonant

22. - T6A11

Which of the following battery chemistries is not rechargeable?

Select	Answer
A	Lead-acid
B	Carbon-zinc
C	Lithium-ion
D	Nickel-cadmium

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 is proportional to peak inverse voltage
C	It indicates that the diode is defective
D	It has no impact on the voltage delivered to the load

24. - T6C02

What is component 1 in figure T-1?

Select	Answer
A	Transistor
B	Connector
C	Battery
D	Resistor

25. - T6D06

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

Select	Answer
A	Diode
B	Transformer
C	Transistor
D	Variable capacitor

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Amplifier
B	Mixer
C	Phase splitter
D	Inverter

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your transmitter is slightly off frequency
B	You are in a bad location
C	Your batteries are running low
D	All these choices are correct

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	Zero
C	1:1
D	Full Scale

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Decreasing resistance with time
B	Increasing resistance with time
C	Steady full-scale reading
D	Alternating between open and short circuit

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	150 Hz
B	1000 Hz
C	2.4 kHz
D	15 kHz

31. - T8B05

What is a satellite beacon?

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

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. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
B	Providing voice over internet connection between repeaters
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing information on the number of stations signed into a repeater

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	It transmits only circularly polarized signals
B	It has low efficiency
C	It is mechanically fragile
D	All these choices are correct

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance decreases
B	The loss increases
C	The loss decreases
D	The characteristic impedance increases

Figure T-1