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

2. - T0B06

What is the minimum safe distance from a power line to allow when installing an antenna?

Select	Answer
A	The height of the power line above ground
B	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
C	1/2 wavelength at the operating frequency
D	Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires

3. - T0C13

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

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

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C08

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

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

7. - T1D01

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

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

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	The station licensee
B	The frequency coordinator
C	The FCC
D	Any licensed operator

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	Both the originating station and the repeater owner
B	The control operator of the originating station
C	The control operator of the repeater
D	The owner of the repeater

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 600 kHz
C	Plus or minus 1 MHz
D	Plus or minus 5 MHz

11. - T2B11

Which Q signal indicates that you are changing frequency?

Select	Answer
A	QSY
B	QRU
C	QSL
D	QRZ

12. - T2C11

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

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

13. - T3A09

Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

Select	Answer
A	Digital modes are unusable
B	Both the transmitting and receiving antennas must be of the same polarization
C	FM voice is unusable
D	Either vertically or horizontally polarized antennas may be used for transmission or reception

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They travel at different speeds
B	They are at right angles
C	They are in parallel
D	They revolve in opposite directions

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	D region absorption
B	Backscatter
C	Sporadic E
D	Gray-line propagation

16. - T4A05

Where should an RF power meter be installed?

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

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Use the scan mode to select the desired frequency
B	Enable the frequency offset
C	Enable the VOX
D	Store it in a memory channel

18. - T5A10

Which term describes the rate at which electrical energy is used?

Select	Answer
A	Voltage
B	Power
C	Resistance
D	Current

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	0.001 microfarads
B	1,000,000,000 microfarads
C	1000 microfarads
D	1 microfarad

20. - T5C03

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

Select	Answer
A	Admittance
B	Capacitance
C	Inductance
D	Resistance

21. - T5D06

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

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

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B06

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

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

24. - T6C10

What is component 3 in figure T-3?

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

25. - T6D06

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

Select	Answer
A	Variable capacitor
B	Transformer
C	Transistor
D	Diode

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Total Harmonic Distortion
B	Linearity
C	Selectivity
D	Sensitivity

27. - T7B07

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

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

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Impedance mismatch
B	Good impedance match
C	Gain of +4 dB
D	Loss of -4 dB

29. - T7D07

Which of the following measurements are made using a multimeter?

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

30. - T8A08

What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

Select	Answer
A	3 kHz
B	15 kHz
C	6 kHz
D	1 kHz

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	All these choices are correct
B	SSB
C	CW/data
D	FM

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	A directional antenna
B	Calibrated SWR meter
C	A calibrated noise bridge
D	All these choices are correct

33. - T8D13

What is FT8?

Select	Answer
A	A wideband FM voice mode
B	A digital slow-scan TV mode with forward error correction and automatic color compensation
C	An eight channel multiplex mode for FM repeaters
D	A digital mode capable of low signal-to-noise operation

34. - T9A10

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

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

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	75-ohm flexible coax
B	Air-insulated hardline
C	50-ohm flexible coax
D	Multi-conductor unbalanced cable

Figure T-3