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

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Provide an ability to measure for proper tensioning
B	Secure the guy line if the turnbuckle breaks
C	Provide a ground path for lightning strikes
D	Prevent loosening of the turnbuckle from vibration

3. - T0C02

At which of the following frequencies does maximum permissible exposure have the lowest value?

Select	Answer
A	440 MHz
B	50 MHz
C	1296 MHz
D	3.5 MHz

4. - T1A03

What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

Select	Answer
A	It is required when transmitting emergency messages
B	It is encouraged
C	All these choices are correct
D	It is required when in contact with foreign stations

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

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

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is related to the sale of amateur equipment by the control operator's employer
B	When the communication is incidental to classroom instruction at an educational institution
C	All these choices are correct
D	When the communication is made to obtain emergency information for a local broadcast station

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	All licensed amateurs who are present at the operation
B	The control operator and the station licensee
C	Only the control operator
D	Only the station licensee

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	All these choices are correct
B	KL7CC slash W3
C	KL7CC stroke W3
D	KL7CC slant W3

10. - T2A07

What is meant by "repeater offset”?

Select	Answer
A	The repeater station identification is done on a separate frequency
B	The difference between a repeater’s transmit and receive frequencies
C	The number of simultaneous transmit frequencies used by a repeater
D	The repeater has a time delay to prevent interference

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	DTMF
C	Tone burst
D	CTCSS

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The number of words or word equivalents in the text portion of the message
B	A list of stations that have relayed the message
C	A box on the message form that indicates that the message was received and/or relayed
D	The call sign of the originating station

13. - T3A08

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

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

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	3 to 30 MHz
C	30 to 300 MHz
D	300 to 3000 kHz

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

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device for switching antennas from transmit to receive
B	A device for voice activated switching from receive to transmit
C	An interlock to prevent unauthorized use of a radio
D	A device that assists in manual sending of Morse code

17. - T4B06

Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

Select	Answer
A	The bandwidth selection
B	The RIT or Clarifier
C	The tone squelch
D	The AGC or limiter

18. - T5A05

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

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

19. - T5B12

Which is equal to 28400 kHz?

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

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	10 amperes
B	12 amperes
C	132 amperes
D	0.1 amperes

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	0.1 amperes
B	216 amperes
C	24,000 amperes
D	10 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Thyratron
B	All these choices are correct
C	Varactor
D	Fuse

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Reverse current
B	Forward current
C	Capacitively-coupled RF signal
D	Inductively-coupled RF signal

24. - T6C10

What is component 3 in figure T-3?

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

25. - T6D10

What is the function of component 2 in figure T-1?

Select	Answer
A	Give off light when current flows through it
B	Supply electrical energy
C	Convert electrical energy into radio waves
D	Control the flow of current

26. - T7A06

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

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

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Be sure all TV feed line coaxial connectors are installed properly
B	Add a high-pass filter to the TV antenna input
C	Add a low-pass filter to the TV antenna input
D	Add a preamplifier to the TV antenna input

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

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

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	A change in the satellite orbit
C	An observed change in signal frequency caused by relative motion between the satellite and Earth station
D	A special digital communications mode for some satellites

32. - T8C06

How is over the air access to IRLP nodes accomplished?

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

33. - T8D12

Which of the following best describes an amateur radio mesh network?

Select	Answer
A	A satellite communications network using modified commercial satellite TV hardware
B	A wide-bandwidth digital voice mode employing DMR protocols
C	An internet linking protocol used to network repeaters
D	An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Adding capacitive loading to the ends of the radiating wires
B	Shortening it
C	Lengthening it
D	Inserting coils in series with radiating wires

35. - T9B02

What is the most common impedance of coaxial cables used in amateur radio?

Select	Answer
A	8 ohms
B	600 ohms
C	50 ohms
D	12 ohms

Figure T-3

Figure T-1