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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The power supply ripple would greatly increase
B	All these choices are correct
C	Excessive current could cause a fire
D	The larger fuse would be likely to blow because it is rated for higher current

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

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The percentage of time that a transmitter is not transmitting
B	The percentage of time that a transmitter is transmitting
C	The difference between the lowest power output and the highest power output of a transmitter
D	The difference between the PEP and average power output of a transmitter

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	An amateur station transmitting communications for the purposes of observing propagation or related experimental activities
C	A government transmitter marking the amateur radio band edges
D	A bulletin sent by the FCC to announce a national emergency

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
B	From within any country that belongs to the International Telecommunication Union
C	From any vessel or craft located in international waters and documented or registered in the United States
D	From within any country that is a member of the United Nations

7. - T1D10

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

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

8. - T1E03

Who must designate the station control operator?

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

9. - T1F03

When are you required to transmit your assigned call sign?

Select	Answer
A	At least every 15 minutes during and at the end of a communication
B	At least once during each transmission
C	At the beginning of each contact, and every 10 minutes thereafter
D	At least every 10 minutes during and at the end of a communication

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	You need to talk louder
B	Your repeater offset is inverted
C	You are talking too loudly
D	Your transmit power is too high

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Speak very loudly into the microphone
B	All these choices are correct
C	Spell the words using a standard phonetic alphabet
D	Send the words by voice and Morse code

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	FM voice is unusable
B	Digital modes are unusable
C	Either vertically or horizontally polarized antennas may be used for transmission or reception
D	Both the transmitting and receiving antennas must be of the same polarization

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Voltage and current
B	Ionizing and non-ionizing radiation
C	Impedance and reactance
D	Electric and magnetic fields

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	In the power supply cable, as close as possible to the radio
C	At the power supply output
D	In parallel with the push-to-talk line and the antenna

17. - T4B09

How is a specific group of stations selected on a digital voice transceiver?

Select	Answer
A	By activating automatic identification
B	By enabling the group’s CTCSS tone
C	By entering the group’s identification code
D	By retrieving the frequencies from transceiver memory

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Voltage
B	Inductance
C	Ampere-hours
D	Capacitance

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	28.400 MHz
B	284.00 MHz
C	28.400 kHz
D	2.800 MHz

20. - T5C01

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

Select	Answer
A	Inductance
B	Capacitance
C	Tolerance
D	Resistance

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E x I
B	R = E - I
C	R = E + I
D	R = E / I

22. - T6A06

What type of electrical component stores energy in a magnetic field?

Select	Answer
A	Inductor
B	Diode
C	Varistor
D	Capacitor

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Thermistor
B	Varistor
C	Transistor
D	Potentiometer

24. - T6C07

What is component 8 in figure T-2?

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

25. - T6D05

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

Select	Answer
A	Phase inverter
B	Oscillator
C	Filter
D	Regulator

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for matching feed line impedance to 50 ohms
B	A device for converting receiver and transmitter frequencies to another band
C	A device that combines a receiver and transmitter
D	A device for automatically sending and decoding Morse code

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	All these choices are correct
D	Your batteries are running low

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is not powered
B	Ensure that the circuit is operating at the correct frequency
C	Ensure that the applied voltages are correct
D	Ensure that the circuit is grounded

30. - T8A04

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

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

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. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	All these choices are correct
B	Purchase a license to use the EchoLink software
C	Register your call sign and provide proof of license
D	Complete the required EchoLink training

33. - T8D09

What is CW?

Select	Answer
A	A digital mode used primarily on 2 meter FM
B	A technique for coil winding
C	Another name for a Morse code transmission
D	A type of electromagnetic propagation

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	In the direction of the feed line
B	Broadside to the antenna
C	Equally in all directions
D	Off the ends of the antenna

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	High SWR
B	Multiple connectors in the line
C	Water intrusion into coaxial connectors
D	All these choices are correct

Figure T-2