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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	All these choices are correct
B	The antenna could contact high-voltage power lines
C	The antenna will not work properly because of induced voltages
D	The 60 Hz radiations from the feed line may increase the SWR

3. - T0C04

What factors affect the RF exposure of people near an amateur station antenna?

Select	Answer
A	Frequency and power level of the RF field
B	All these choices are correct
C	Distance from the antenna to a person
D	Radiation pattern of the antenna

4. - T1A05

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

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

5. - T1B10

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

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

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, for up to one year
D	Yes, as soon as you apply for renewal

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	International Morse Code Practice
B	In all circumstances
C	Telecommand or transmissions of telemetry
D	Broadcasting

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

9. - T1F09

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

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

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	All these choices are correct
B	Make sure you are authorized to use that frequency
C	Ask if the frequency is in use
D	Listen first to be sure that no one else is using the frequency

11. - T2B12

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

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

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	Spell the words using a standard phonetic alphabet
C	Send the words by voice and Morse code
D	All these choices are correct

13. - T3A02

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

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

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	Channel numbers
B	All these choices are correct
C	The approximate wavelength in meters
D	Traditional letter/number designators

15. - T3C05

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

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver push-to-talk
B	Computer “line in” to transceiver speaker connector
C	Computer “line out” to transceiver speaker connector
D	Computer “line out” to transceiver push-to-talk

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Distortion of the signal’s audio
B	Change in audio pitch
C	Generation of a heterodyne tone
D	Sideband inversion

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Glass
B	Aluminum
C	Mercury
D	Copper

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	5 watts
B	0.02 watts
C	50 watts
D	0.5 watts

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	0.1 amperes
D	132 amperes

21. - T5D09

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

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

22. - T6A10

Which of the following battery chemistries is rechargeable?

Select	Answer
A	Nickel-metal hydride
B	Lithium-ion
C	Lead-acid
D	All these choices are correct

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transformer
B	Resistor
C	Transistor
D	Reactor

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Connector
C	Resistor
D	Transistor

25. - T6D10

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

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

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Amplifier
B	Phase splitter
C	Inverter
D	Mixer

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing an RF preamplifier
B	Installing a band-reject filter
C	Installing bypass capacitors on the microphone cable
D	Using double-shielded coaxial cable

28. - T7C08

Which instrument can be used to determine SWR?

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

29. - T7D08

Which of the following types of solder should not be used for radio and electronic applications?

Select	Answer
A	Rosin-core solder
B	Acid-core solder
C	Lead-tin solder
D	Tin-copper solder

30. - T8A10

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

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

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

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

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

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

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	GPS position data
B	Weather data
C	Text messages
D	All these choices are correct

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Strengthening the radiating elements of a beam antenna to better resist wind damage
B	Inserting a resistor in the radiating portion of the antenna to make it resonant
C	Installing a spring in the base of a mobile vertical antenna to make it more flexible
D	Electrically lengthening by inserting inductors in radiating elements

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	Type N
B	RS-213
C	DB-25
D	UHF (PL-259/SO-239)

Figure T-1