AMP - Aviation Maintenance Technician Powerplant Practice Exam

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Prepare for the Aviation Maintenance Technician Powerplant Exam with comprehensive flashcards and multiple choice questions. Equip yourself with detailed explanations and tips to succeed.

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Dislodged internal muffler baffles on a small reciprocating aircraft engine may cause?

  1. excessive exhaust back pressure

  2. an engine overspeed problem

  3. high oil consumption

  4. decreased fuel efficiency

The correct answer is: excessive exhaust back pressure

Dislodged internal muffler baffles on a small reciprocating aircraft engine may cause excessive exhaust back pressure, which can lead to decreased performance and potential damage to the engine. Option B is incorrect because an engine overspeed problem is more likely to be caused by a malfunctioning governor or throttle control. Option C is incorrect because oil consumption would not be directly affected by muffler baffles. Option D is incorrect because decreased fuel efficiency would most likely result from other mechanical issues or poor maintenance rather than just muffler baffle displacement.

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