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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	All these choices are correct
B	Use three-wire cords and plugs for all AC powered equipment
C	Install mechanical interlocks in high-voltage circuits
D	Connect all AC powered station equipment to a common safety ground

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
B	This type of tower must never be grounded
C	This type of tower must never be painted
D	All these choices are correct

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. - T1A10

What is the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	A radio service using amateur frequencies for emergency management or civil defense communications
B	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
C	A radio service using amateur stations for emergency management or civil defense communications
D	All these choices are correct

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
B	Any amateur holding a General class or higher license who has applied for and received approval from NASA
C	Any amateur holding a General class or higher license
D	Any amateur holding a Technician class or higher license

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Any communications that would be permitted by an international broadcast station
B	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
C	Communications incidental to conducting business or remarks of a personal nature
D	Only communications incidental to contest exchanges; all other communications are prohibited

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Only when transmitting certain approved digital codes
B	Never
C	Only when transmitting control commands to space stations or radio control craft
D	Only during contests

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The class of operator license held by the control operator
B	The frequencies printed on the license grant
C	The highest class of operator license held by anyone on the premises
D	The frequency authorized by the frequency coordinator

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Amateur radio communications where three stations are in communications with one another
B	A message from a control operator to another amateur station control operator on behalf of another person
C	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
D	Operation when the transmitting equipment is licensed to a person other than the control operator

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Simplex
B	Diplex
C	Multiplex
D	Full duplex

11. - T2B09

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

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

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	Ensuring that any newsworthy messages are relayed to the news media
B	All these choices are correct
C	Passing messages exactly as received
D	Making decisions as to whether messages are worthy of relay or delivery

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	No significant changes will occur if the signals are transmitted using FM
B	Error rates are likely to increase
C	Transmission rates must be increased by a factor equal to the number of separate paths observed
D	Transmission rates must be decreased by a factor equal to the number of separate paths observed

14. - T3B07

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

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	Faraday rotation
B	D region refraction
C	Tropospheric ducting
D	F2 region refraction

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The types of modulation being used at the station
B	All these choices are correct
C	The frequency and power level at which the measurements will be made
D	The distance that the meter will be located from the antenna

17. - T4B04

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

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

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	10 dB
C	28 dB
D	18 dB

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	14.5 watts
B	4.8 watts
C	30 watts
D	0.208 watts

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	20,000 amperes
B	100 amperes
C	0.5 amperes
D	2 amperes

22. - T6A05

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

Select	Answer
A	Capacitor
B	Resistor
C	Potentiometer
D	Oscillator

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Diode
B	Resistor
C	Driven element
D	Fuse

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Transmitter
B	Antenna
C	Ground
D	Dummy load

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Amplifier
B	Rectifier
C	Reflector
D	Transformer

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for automatically sending and decoding Morse code
B	A device for converting receiver and transmitter frequencies to another band
C	A device for matching feed line impedance to 50 ohms
D	A device that combines a receiver and transmitter

27. - T7B01

What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

Select	Answer
A	Change to a higher power level
B	Talk farther away from the microphone
C	Talk louder into the microphone
D	Let the transceiver cool off

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Operation at 100% duty cycle for an extended period
B	Solder flux contamination
C	Moisture contamination
D	Rapid fluctuation in transmitter output power

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is grounded
B	Ensure that the applied voltages are correct
C	Ensure that the circuit is not powered
D	Ensure that the circuit is operating at the correct frequency

30. - T8A10

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

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

31. - T8B05

What is a satellite beacon?

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

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 technique for measuring signal strength of an amateur transmitter via the internet
C	A system for informing amateurs in real time of the frequency of active DX stations
D	A system for providing access to websites via amateur radio

33. - T8D13

What is FT8?

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

34. - T9A05

Which of the following increases the resonant frequency of a dipole antenna?

Select	Answer
A	Lengthening it
B	Adding capacitive loading to the ends of the radiating wires
C	Inserting coils in series with radiating wires
D	Shortening it

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are preferred for microwave operation
B	They are watertight
C	They are a bayonet-type connector
D	They are commonly used at HF and VHF frequencies

Figure T-3