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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
B	All these choices are correct
C	Touching both terminals with the hands can cause electrical shock
D	Shorting the terminals can cause burns, fire, or an explosion

2. - T0B11

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

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

3. - T0C13

Who is responsible for ensuring that no person is exposed to RF energy above the FCC exposure limits?

Select	Answer
A	The local zoning board
B	Anyone who is near an antenna
C	The FCC
D	The station licensee

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One for each permanent station location from which the person plans to operate
B	One
C	One for each band on which the person plans to operate
D	No more than two

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	49.00 MHz
B	222.15 MHz
C	28.50 MHz
D	52.525 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to two years
B	No, you must wait until the license has been renewed
C	Yes, as soon as you apply for renewal
D	Yes, for up to one year

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from such communications by the International Amateur Radio Union (IARU)
B	Any country banned from making such communications by the American Radio Relay League (ARRL)
C	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
D	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	All these choices are correct
B	The control operator must be at the control point
C	The control operator must indirectly manipulate the controls
D	A control operator is required at all times

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

10. - T2A03

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

Select	Answer
A	Plus or minus 5 MHz
B	Plus or minus 500 kHz
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 are talking too loudly
B	Your repeater offset is inverted
C	You need to talk louder
D	Your transmit power is too high

12. - T2C04

What is RACES?

Select	Answer
A	A radio contest held in a short period, sometimes called a “sprint”
B	An emergency organization combining amateur radio and citizens band operators and frequencies
C	An FCC part 97 amateur radio service for civil defense communications during national emergencies
D	An international radio experimentation society

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Polarization rotation
B	Amplification
C	Knife-edge diffraction
D	Absorption

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 miles per hour
C	150,000 meters per second
D	300,000,000 meters per second

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

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. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Set the squelch threshold so that receiver output audio is on all the time
B	Turn on the anti-squelch function
C	Turn up the audio level until it overcomes the squelch threshold
D	Enable squelch enhancement

18. - T5A05

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

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

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	0.3 amperes
B	3 amperes
C	0.003 amperes
D	3,000,000 amperes

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The resonant frequency of a tuned circuit
B	The real frequency transmitted as opposed to the apparent frequency
C	Radio frequency signals of all types
D	Reflective force in antenna transmission lines

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	8 ohms
C	18 ohms
D	0.125 ohms

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Resistance
C	Field strength
D	Capacitance

23. - T6B12

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

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

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Connector pinout
B	Schematic
C	Flow chart
D	Bill of materials

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Bipolar transistor
B	Zener diode
C	LED
D	FET

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	Transverter
D	High-pass filter

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Ferrite choke
C	Low-pass filter
D	Band-pass filter

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. - T7D09

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

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

30. - T8A02

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

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite operates using ultraviolet frequencies
B	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
C	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
D	The satellite frequencies are usually variable

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A system for informing amateurs in real time of the frequency of active DX stations
B	A system for providing access to websites via amateur radio
C	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
D	A technique for measuring signal strength of an amateur transmitter via the internet

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	An automatic position tracking mode for FM mobiles communicating through repeaters
B	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
C	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
D	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction

34. - T9A10

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

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

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Reduced signal loss
B	Reduced television interference
C	All these choices are correct
D	Less antenna wear