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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The power supply ripple would greatly increase
B	Excessive current could cause a fire
C	The larger fuse would be likely to blow because it is rated for higher current
D	All these choices are correct

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Always wear an approved climbing harness
B	All these choices are correct
C	Use appropriate tie-off to the tower at all times
D	Have sufficient training on safe tower climbing techniques

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	Anyone who is near an antenna
C	The local zoning board
D	The station licensee

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing personal radio communications for as many citizens as possible
B	Advancing skills in the technical and communication phases of the radio art
C	All these choices are correct
D	Providing communications for international non-profit organizations

5. - T1B03

Which frequency is in the 6 meter amateur band?

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

6. - T1C04

What may happen if the FCC is unable to reach you by email?

Select	Answer
A	Nothing; there is no such requirement
B	Revocation of the station license or suspension of the operator license
C	Fine and suspension of operator license
D	Revocation of access to the license record in the FCC system

7. - T1D01

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

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

8. - T1E05

What is an amateur station’s control point?

Select	Answer
A	The location of the station’s transmitting apparatus
B	The mailing address of the station licensee
C	The location of the station’s transmitting antenna
D	The location at which the control operator function is performed

9. - T1F09

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

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

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

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	Must match the repeater color code for access
C	Defines the frequency pair to use
D	Identifies the codec used

12. - T2C04

What is RACES?

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

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. - T3B04

What is the velocity of a radio wave traveling through free space?

Select	Answer
A	Speed inversely proportional to its wavelength
B	Speed of sound
C	Speed that increases as the frequency increases
D	Speed of light

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

16. - T4A01

Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

Select	Answer
A	24.0 volts at 12 amperes
B	24.0 volts at 4 amperes
C	13.8 volts at 12 amperes
D	13.8 volts at 4 amperes

17. - T4B05

What does the scanning function of an FM transceiver do?

Select	Answer
A	Checks for messages left on a digital bulletin board
B	Tunes through a range of frequencies to check for activity
C	Prevents interference to nearby repeaters
D	Checks incoming signal deviation

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Ohms
B	Amperes
C	Watts
D	Volts

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	15 milliamperes
B	15,000 milliamperes
C	1500 milliamperes
D	150 milliamperes

20. - T5C02

What is the unit of capacitance?

Select	Answer
A	The volt
B	The farad
C	The ohm
D	The henry

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	9 volts
B	11 volts
C	10 volts
D	1 volt

22. - T6A05

What type of electrical component consists of conductive surfaces separated by an insulator?

Select	Answer
A	Resistor
B	Potentiometer
C	Oscillator
D	Capacitor

23. - T6B08

What does the abbreviation FET stand for?

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

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Transistor
B	Ground symbol
C	Resistor
D	Battery

25. - T6D08

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

Select	Answer
A	Zener diode
B	Resistor
C	Capacitor
D	Potentiometer

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Low-pass filtering
B	Modulation
C	Oscillation
D	Impedance matching

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	Your batteries are running low
B	Your transmitter is slightly off frequency
C	You are in a bad location
D	All these choices are correct

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It has more loss per foot
B	It cannot be used for VHF or UHF antennas
C	It requires special techniques to prevent moisture in the cable
D	It cannot be used at below freezing temperatures

29. - T7D02

How is a voltmeter connected to a component to measure applied voltage?

Select	Answer
A	In phase
B	In series
C	In quadrature
D	In parallel

30. - T8A10

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

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

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

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

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Doppler radar
B	Radio direction finding
C	Phase locking
D	Echolocation

33. - T8D13

What is FT8?

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

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	5/8 wave vertical
B	Yagi
C	Isotropic
D	J pole

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The transmitter efficiency ratio
B	An indication of the quality of your station’s ground connection
C	The ratio of amplifier power output to input
D	A measure of how well a load is matched to a transmission line

Figure T-1