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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The primary purpose of the air bleed openings used with continuous flow fuel injector nozzles is to

  1. provide for automatic mixture control.

  2. maintain constant fuel pressure.

  3. aid in proper fuel vaporization.

  4. increase fuel pressure

The correct answer is: aid in proper fuel vaporization.

The purpose of the air bleed openings is to aid in proper fuel vaporization, which increases the efficiency of fuel combustion and helps to prevent fuel deposits from building up inside the injector nozzles. Option A is incorrect because the air bleed openings do not control the fuel mixture automatically, instead they aid in proper fuel vaporization. Option B is incorrect because maintaining constant fuel pressure is typically achieved through the use of a fuel pump and regulator, not the air bleed openings. Option D is incorrect because it suggests that the air bleed openings increase fuel pressure, which is not their primary purpose.