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

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	All these choices are correct
B	Insulate the base of the tower to avoid lightning strikes
C	Wear a ground strap connected to your wrist at all times
D	Look for and stay clear of any overhead electrical wires

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate antennas
B	Relocate the transmitter
C	All these choices are correct
D	Increase the duty cycle

4. - T1A05

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

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

5. - T1B08

How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

Select	Answer
A	Digital transmissions are not permitted in those segments
B	International communications are not permitted in those segments
C	U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
D	U.S. amateurs must give foreign amateur stations priority in those segments

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Communications incidental to conducting business or remarks of a personal nature
D	Only communications incidental to contest exchanges; all other communications are prohibited

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
B	When no profit is made on the sale
C	When selling amateur radio equipment and not on a regular basis
D	Never

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The third party participant
B	The station licensee
C	The person operating the station equipment
D	The station custodian

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	At any time ten days after notification by the FCC of such an inspection
B	At any time upon request by an FCC representative
C	At any time after written notification by the FCC of such inspection
D	Only when presented with a valid warrant by an FCC official or government agent

10. - T2A03

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

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

11. - T2B12

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

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

12. - T2C08

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

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

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Signals have an echo effect
B	Nothing significant will happen
C	The modulation sidebands might become inverted
D	Received signal strength is reduced

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the energy in the magnetic field to the energy in the electric field
B	The ratio of the velocity to the wavelength
C	The orientation of the magnetic field
D	The orientation of the electric field

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	70 centimeters and 1.25 meters
B	All these choices are correct
C	6 and 10 meters
D	23 centimeters

16. - T4A08

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

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

17. - T4B08

What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

Select	Answer
A	Permits noise or interference reduction by selecting a bandwidth matching the mode
B	Increases the number of frequencies that can be stored in memory
C	Permits monitoring several modes at once by selecting a separate filter for each mode
D	Increases the amount of offset between receive and transmit frequencies

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Tesla
B	Henry
C	Farad
D	Hertz

19. - T5B12

Which is equal to 28400 kHz?

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

20. - T5C05

What is the unit of impedance?

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

21. - T5D06

What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

Select	Answer
A	16 ohms
B	3 ohms
C	8 ohms
D	48 ohms

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Oscillator
B	Resistor
C	Capacitor
D	Potentiometer

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter C
B	With the letter K
C	With a stripe
D	With the word "cathode"

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Double-pole switch
B	Potentiometer
C	Transformer
D	Variable inductor

25. - T6D06

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

Select	Answer
A	Transformer
B	Diode
C	Transistor
D	Variable capacitor

26. - T7A06

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

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

27. - T7B02

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

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used for VHF or UHF antennas
B	It has more loss per foot
C	It requires special techniques to prevent moisture in the cable
D	It cannot be used at below freezing temperatures

29. - T7D10

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

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

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 6 MHz
B	About 3 MHz
C	About 1 MHz
D	More than 10 MHz

31. - T8B11

Who may receive telemetry from a space station?

Select	Answer
A	Anyone
B	A licensed radio amateur with a transmitter equipped for interrogating the satellite
C	A licensed radio amateur who has been certified by the protocol developer
D	A licensed radio amateur who has registered for an access code from AMSAT

32. - T8C01

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

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

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	An analog fast-scan color TV signal
C	A Normal Transmission mode in Static Circuit
D	A special mode for satellite uplink

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It has 10 times the power gain of a 1/4 wavelength whip
B	It eliminates distortion caused by reflected signals
C	It radiates at a very high angle
D	It has more gain than a 1/4-wavelength antenna

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It can handle more power than any other type of feed line
B	It has less loss than any other type of feed line
C	It is easy to use and requires few special installation considerations
D	It is less expensive than any other type of feed line

Figure T-2