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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C08

Which of the following actions can reduce exposure to RF radiation?

Select	Answer
A	Relocate antennas
B	Increase the duty cycle
C	Relocate the transmitter
D	All these choices are correct

4. - T1A01

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

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

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	6 meters
C	20 meters
D	2 meters

6. - T1C08

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

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

7. - T1D02

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

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

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When using automatic control, such as in the case of a repeater
B	Never
C	When the station licensee is away and another licensed amateur is using the station
D	When the transmitting station is an auxiliary station

9. - T1F10

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

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

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	146.520 MHz
B	145.000 MHz
C	446.000 MHz
D	432.100 MHz

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations within range of each other can communicate without tying up a repeater
B	So stations with simple transmitters can access the repeater without automated offset
C	For contest operation
D	For working DX only

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special FEMA rules
B	When operating under special ARES rules
C	FCC rules always apply
D	When operating a RACES station

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	Nothing significant will happen
C	The modulation sidebands might become inverted
D	Signals have an echo effect

14. - T3B05

What is the relationship between wavelength and frequency?

Select	Answer
A	Wavelength and frequency increase as path length increases
B	Wavelength and frequency are unrelated
C	Wavelength gets longer as frequency increases
D	Wavelength gets shorter as frequency increases

15. - T3C07

What band is best suited for communicating via meteor scatter?

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

16. - T4A12

What is an electronic keyer?

Select	Answer
A	A device that assists in manual sending of Morse code
B	A device for voice activated switching from receive to transmit
C	An interlock to prevent unauthorized use of a radio
D	A device for switching antennas from transmit to receive

17. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The codec for digitizing audio
B	Your call sign in CW for automatic identification
C	The DMR software version
D	Access information for repeaters and talkgroups

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Watt-hours
D	Volts

19. - T5B13

Which is equal to 2425 MHz?

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

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Capacitance
B	Tolerance
C	Resistance
D	Inductance

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	0.2 volts
C	8 volts
D	20 volts

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Thyratron
B	Fuse
C	Varactor
D	All these choices are correct

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Gate and base
B	Anode and cathode
C	Plus and minus
D	Source and drain

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Indicator lamp
D	Connector

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Relay
C	Potentiometer
D	Meter

26. - T7A09

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

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

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	All these choices are correct
B	Fundamental overload
C	Harmonics
D	Spurious emissions

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A VTVM
B	An antenna analyzer
C	A Q meter
D	A frequency counter

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. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Upper sideband
B	Inverted sideband
C	Suppressed sideband
D	Lower sideband

31. - T8B05

What is a satellite beacon?

Select	Answer
A	The primary transmit antenna on the satellite
B	A reflective surface on the satellite
C	A transmission from a satellite that contains status information
D	An indicator light that shows where to point your antenna

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A digipeater
B	A repeater
C	A beacon
D	A gateway

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A special transmission format limited to video signals
B	A method of compressing data using autonomous reiterative Q codes prior to final encoding
C	A system used to encrypt command signals to an amateur radio satellite
D	An error correction method in which the receiving station detects errors and sends a request for retransmission

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	236
B	6
C	112
D	50

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable can handle higher power levels
B	RG-58 cable has two shields
C	There is no significant difference between the two types
D	RG-213 cable has less loss at a given frequency

Figure T-1