Aircraft Fuel/Air Control Unit
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Questions and Answers

What is a key advantage of indirect fuel injection in aircraft piston engines?

  • Freedom from impact icing
  • Even fuel distribution (correct)
  • High operating pressure
  • Precise timing requirement with engine cycle
  • Which component in an indirect fuel injection system adjusts fuel pressure based on engine speed?

  • Discharge nozzles for each cylinder
  • Fuel pump
  • Air throttle metering valve (butterfly)
  • Fuel manifold valve (correct)
  • What is a potential drawback of impact icing in aircraft fuel systems?

  • Even fuel distribution
  • Potential for engine failure (correct)
  • High fuel pressure
  • Icing only affects carburetor systems
  • Which of the following components regulates airflow in an indirect fuel injection system?

    <p>Throttle valve</p> Signup and view all the answers

    What is a primary characteristic that makes indirect fuel injection less susceptible to icing compared to carburetor systems?

    <p>Reduced susceptibility to impact icing</p> Signup and view all the answers

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