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. - T0A04

What is the purpose of a fuse in an electrical circuit?

Select	Answer
A	To remove power in case of overload
B	To limit current to prevent shocks
C	To prevent power supply ripple from damaging a component
D	All these choices are correct

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	FCC Part 97 rules
B	Local electrical codes
C	FAA tower lighting regulations
D	UL recommended practices

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By re-evaluating the station whenever an item in the transmitter or antenna system is changed
B	By informing the FCC of any changes made in your station
C	By making sure your antennas have low SWR
D	All these choices are correct

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	Homeland Security
B	FEMA
C	All these choices are correct
D	The FCC

5. - T1B10

Where may SSB phone be used in amateur bands above 50 MHz?

Select	Answer
A	Only on repeaters
B	Only in sub-bands allocated to General class or higher licensees
C	In at least some segment of all these bands
D	On any band if the power is limited to 25 watts

6. - T1C08

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

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

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Earth, repeater, or space stations
B	Beacon, repeater, or space stations
C	Repeater, auxiliary, or space stations
D	Auxiliary, beacon, or Earth stations

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	A General class or higher licensee with a satellite operator certification
B	Only an Amateur Extra Class operator who is also an AMSAT member
C	Any amateur allowed to transmit on the satellite uplink frequency
D	Only an Amateur Extra Class operator

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Earth station
B	Repeater station
C	Beacon station
D	Message forwarding station

10. - T2A03

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

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

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Mute the receiver audio when a signal is not present
B	Reduce interference from impulse noise
C	Reduce a CW transmitter's key clicks
D	Eliminate parasitic oscillations in an RF amplifier

12. - T2C11

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

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

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

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C05

Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

Select	Answer
A	Doppler shift
B	Faraday rotation
C	Knife-edge diffraction
D	Quantum tunneling

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B09

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

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

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Pulse rate
B	Wavelength
C	Speed
D	Frequency

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	24.25 GHz
B	2425 GHz
C	2.425 GHz
D	0.002425 GHz

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Resistance
B	Admittance
C	Capacitance
D	Inductance

21. - T5D05

What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

Select	Answer
A	13.5 ohms
B	0.125 ohms
C	18 ohms
D	8 ohms

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Double-pole single-throw
B	Double-pole double-throw
C	Single-pole double-throw
D	Single-pole single-throw

23. - T6B08

What does the abbreviation FET stand for?

Select	Answer
A	Fast Electron Transistor
B	Frequency Emission Transmitter
C	Field Effect Transistor
D	Free Electron Transmitter

24. - T6C09

What is component 4 in figure T-2?

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

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Resistor
B	Capacitor
C	Potentiometer
D	Zener diode

26. - T7A09

What is the function of the SSB/CW-FM switch on a VHF power amplifier?

Select	Answer
A	Change the mode of the transmitted signal
B	Change the frequency range of the amplifier to operate in the proper segment of the band
C	Reduce the received signal noise
D	Set the amplifier for proper operation in the selected mode

27. - T7B02

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

Select	Answer
A	The audio amplifier of the transmitter is overloaded
B	The receiver is unable to reject strong signals outside the AM or FM band
C	The deviation of an FM transmitter is set too low
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 at below freezing temperatures
B	It cannot be used for VHF or UHF antennas
C	It has more loss per foot
D	It requires special techniques to prevent moisture in the cable

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	A rough or lumpy surface
B	Dark black spots
C	A bright or shiny surface
D	Excessive solder

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	About 150 kHz
B	Between 10 and 15 kHz
C	Between 50 and 125 kHz
D	Less than 500 Hz

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

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

32. - T8C10

What is required before using the EchoLink system?

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

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A group of operators sharing common interests
B	A way for groups of users to share a channel at different times without hearing other users on the channel
C	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
D	A net that meets at a specified time

34. - T9A04

What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

Select	Answer
A	All these choices are correct
B	It is mechanically fragile
C	It transmits only circularly polarized signals
D	It has low efficiency

35. - T9B02

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

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

Figure T-2