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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter has very low impedance
B	Ensure that the voltmeter is set to the correct frequency
C	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
D	Ensure that the circuit is grounded through the voltmeter

2. - T0B06

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

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

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

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	All these choices are correct
B	An email notification from the NCVEC granting the license
C	The license appears in the FCC ULS database
D	A printed copy of the certificate of successful completion of examination

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	28.500 MHz to 28.600 MHz
D	28.300 MHz to 28.500 MHz

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to obtain FCC type acceptance prior to using a home-built transmitter
B	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
C	Failure to provide and maintain a correct email address with the FCC
D	Failure to have a copy of your license available at your station

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	Transmission of messages directed only to amateur operators
C	Two-way transmissions by amateur stations
D	Any transmission made by the licensed station

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Controlling a model aircraft, boat, or car by amateur radio
B	Operating the station over the internet
C	Repeater operation
D	All these choices are correct

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Never, the tactical call is sufficient
B	At the end of each communication and every ten minutes during a communication
C	Once during every hour
D	At the end of every transmission

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	The repeater call sign followed by the station’s call sign
C	“QSY” followed by your call sign
D	The station’s call sign followed by the word “monitoring”

11. - T2B12

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

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

12. - T2C08

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try the long path
B	Change from vertical to horizontal polarization
C	Try to find a path that reflects signals to the repeater
D	Increase the antenna SWR

14. - T3B11

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

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	UHF signals are absorbed by the ionospheric D region
B	UHF signals are usually not propagated by the ionosphere
C	FCC regulations prohibit them from going more than 50 miles
D	They are too weak to go very far

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
B	Divide the battery ampere-hour rating by the average current draw of the equipment
C	Multiply the square of the current rating of the battery by the input resistance of the equipment
D	Multiply the watts per hour consumed by the equipment by the battery power rating

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	500 Hz
B	2400 Hz
C	1000 Hz
D	5000 Hz

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Coulombs
B	Mhos
C	Siemens
D	Ohms

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	10 dB
B	12 dB
C	28 dB
D	18 dB

20. - T5C02

What is the unit of capacitance?

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	1 volt
B	1.5 volts
C	2.5 volts
D	0.25 volts

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are each switched between one of two other circuits
B	Two circuits are opened or closed
C	A single circuit is switched between one of two other circuits
D	A single circuit is opened or closed

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Pole one, pole two, output
B	Emitter, base, collector
C	Input, output, supply
D	Signal, bias, power

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Integrated circuit
B	Multi-pole relay
C	Transformer
D	Transducer

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Switches transceiver from receive to transmit when grounded
B	Input for a key used to send CW
C	Provides a transmit tuning tone when grounded
D	Input for a preamplifier tuning tone

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Moisture contamination
B	Rapid fluctuation in transmitter output power
C	Operation at 100% duty cycle for an extended period
D	Solder flux contamination

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	All these choices are correct
B	Voltage and resistance
C	Signal strength and noise
D	Impedance and reactance

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

Select	Answer
A	FM or PM
B	PSK
C	AM
D	SSB

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	All these choices are correct
B	The signal strength of received signals
C	Health and status of the satellite
D	Time of day accurate to plus or minus 1/10 second

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By using DTMF signals
B	By obtaining a password that is sent via voice to the node
C	By using CTCSS tone codes
D	By entering the proper internet password

33. - T8D03

What kind of data can be transmitted by APRS?

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

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A ground-wave antenna
B	A horizontally polarized antenna
C	A vertically polarized antenna
D	A travelling-wave antenna

35. - T9B07

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

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

Figure T-2