2A674 CDC Volume 1 Edit Code 3
Questions and Answers Graded A+
What is the primary function of a communications-electronics maintenance technician?
✔✔To maintain and repair communication and electronic equipment used by the military.
Which tool is commonly used to diagnose electrical problems in avionics systems?
✔✔Multimeter
What should be done before working on an aircraft's electrical system?
✔✔Ensure the power is turned off to prevent electrical shocks.
What type of battery is typically used in avionics systems?
✔✔Lead-acid battery
What is the purpose of a circuit breaker in an aircraft's electrical system?
✔✔To prevent excessive current flow that could damage components.
1
,Which aircraft system requires the use of a radio-frequency analyzer?
✔✔Communication and navigation systems
How often should a technician perform maintenance checks on avionics equipment?
✔✔According to the maintenance schedule outlined in the technical order (TO).
What is the primary purpose of an oscilloscope in avionics maintenance?
✔✔To measure the electrical signal and waveform of electronic systems.
What does the acronym TO stand for in the context of aircraft maintenance?
✔✔Technical Order
Which tool is used to identify electrical faults in wiring systems?
✔✔Wiring diagram
What safety procedure should be followed when working with high-voltage equipment?
✔✔Wear insulated gloves and use insulated tools.
2
, What is the primary role of a transponder in avionics systems?
✔✔To send aircraft identification and location information to radar systems.
What is the purpose of an automatic direction finder (ADF)?
✔✔To help pilots determine the direction to a radio signal.
How should an aircraft's navigation system be tested after repair?
✔✔Perform functional tests to ensure the system operates within the required parameters.
What does a frequency counter measure in avionics equipment?
✔✔It measures the frequency of an electrical signal.
What component in an aircraft's electrical system converts AC power to DC power?
✔✔Rectifier
What is the function of the power supply unit in avionics systems?
✔✔To convert and regulate electrical power for use by the equipment.
3
Questions and Answers Graded A+
What is the primary function of a communications-electronics maintenance technician?
✔✔To maintain and repair communication and electronic equipment used by the military.
Which tool is commonly used to diagnose electrical problems in avionics systems?
✔✔Multimeter
What should be done before working on an aircraft's electrical system?
✔✔Ensure the power is turned off to prevent electrical shocks.
What type of battery is typically used in avionics systems?
✔✔Lead-acid battery
What is the purpose of a circuit breaker in an aircraft's electrical system?
✔✔To prevent excessive current flow that could damage components.
1
,Which aircraft system requires the use of a radio-frequency analyzer?
✔✔Communication and navigation systems
How often should a technician perform maintenance checks on avionics equipment?
✔✔According to the maintenance schedule outlined in the technical order (TO).
What is the primary purpose of an oscilloscope in avionics maintenance?
✔✔To measure the electrical signal and waveform of electronic systems.
What does the acronym TO stand for in the context of aircraft maintenance?
✔✔Technical Order
Which tool is used to identify electrical faults in wiring systems?
✔✔Wiring diagram
What safety procedure should be followed when working with high-voltage equipment?
✔✔Wear insulated gloves and use insulated tools.
2
, What is the primary role of a transponder in avionics systems?
✔✔To send aircraft identification and location information to radar systems.
What is the purpose of an automatic direction finder (ADF)?
✔✔To help pilots determine the direction to a radio signal.
How should an aircraft's navigation system be tested after repair?
✔✔Perform functional tests to ensure the system operates within the required parameters.
What does a frequency counter measure in avionics equipment?
✔✔It measures the frequency of an electrical signal.
What component in an aircraft's electrical system converts AC power to DC power?
✔✔Rectifier
What is the function of the power supply unit in avionics systems?
✔✔To convert and regulate electrical power for use by the equipment.
3
