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. - T0A07

Where should a lightning arrester be installed in a coaxial feed line?

Select	Answer
A	At the output connector of a transceiver
B	On a grounded panel near where feed lines enter the building
C	At the ac power service panel
D	At the antenna feed point

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. - T0C07

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

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

4. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
B	FCC Regional Field Office
C	The FCC Office of Spectrum Management and Coordination Policy
D	The local chapter of the Office of National Council of Independent Frequency Coordinators

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	20 meters
C	6 meters
D	2 meters

6. - T1C08

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

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

7. - T1D10

How does the FCC define broadcasting for the Amateur Radio Service?

Select	Answer
A	Transmissions intended for reception by the general public
B	Two-way transmissions by amateur stations
C	Any transmission made by the licensed station
D	Transmission of messages directed only to amateur operators

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign using a CW or phone emission
B	Send the call sign using only a phone emission
C	Send the call sign followed by the indicator RPT
D	Send the call sign followed by the indicator R

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	“QSY” followed by your call sign
C	The station’s call sign followed by the word “monitoring”
D	The repeater call sign followed by the station’s call sign

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	CTCSS
C	Tone burst
D	DTMF

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Choose the regular net meeting time and frequency
B	Ensure that all stations checking into the net are properly licensed for operation on the net frequency
C	Call the net to order and direct communications between stations checking in
D	All these choices are correct

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Precipitation
B	High winds
C	Colder temperatures
D	Low barometric pressure

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	300,000,000 meters per second
B	300,000,000 miles per hour
C	150,000 miles per hour
D	150,000 meters per second

15. - T3C07

What band is best suited for communicating via meteor scatter?

Select	Answer
A	2 meters
B	70 centimeters
C	33 centimeters
D	6 meters

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive and transmit mode, status, and location
B	NMEA GPS location and DC power
C	Receive audio, transmit audio, and transmitter keying
D	Antenna and RF power

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the frequency offset
B	Use the scan mode to select the desired frequency
C	Enable the VOX
D	Store it in a memory channel

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	All these choices are correct
B	Alternating current
C	Direct current
D	RF current

19. - T5B06

Which is equal to 3000 milliamperes?

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

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The ohm
B	The farad
C	The volt
D	The henry

21. - T5D08

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

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

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Capacitor
B	Diode
C	Varistor
D	Inductor

23. - T6B05

What type of transistor has a gate, drain, and source?

Select	Answer
A	Tesla-effect
B	Varistor
C	Bipolar junction
D	Field-effect

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Connector
C	Meter
D	Variable inductor

25. - T6D06

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

Select	Answer
A	Diode
B	Transformer
C	Variable capacitor
D	Transistor

26. - T7A03

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

Select	Answer
A	Mixer
B	Phase splitter
C	Amplifier
D	Inverter

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Using double-shielded coaxial cable
B	Installing bypass capacitors on the microphone cable
C	Installing a band-reject filter
D	Installing an RF preamplifier

28. - T7C05

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

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Rosin-core solder
B	Acid-core solder
C	Lead-tin solder
D	Tin-copper solder

30. - T8A07

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

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

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	The satellite transmitted power
B	All these choices are correct
C	The Keplerian elements
D	The last observed time of zero Doppler shift

32. - T8C01

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

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

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
B	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
C	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	236
C	50
D	6

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are a bayonet-type connector
B	They are preferred for microwave operation
C	They are watertight
D	They are commonly used at HF and VHF frequencies

Figure T-3