FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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Prepare for the FAA AMT Airframe Exam with our flashcards and multiple choice questions. Each question includes hints and explanations. Get exam-ready now!

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What is one purpose of a fuel tank vent?

  1. To filter incoming air

  2. To maintain atmospheric pressure

  3. To release excess fuel

  4. To cool the tank

The correct answer is: To maintain atmospheric pressure

A fuel tank vent serves the purpose of maintaining atmospheric pressure within the fuel tank. This is important in preventing the tank from collapsing or expanding due to changes in the surrounding air pressure. Option A is incorrect because a filter is not typically a component of a fuel tank vent. Option C is incorrect because excess fuel is usually released through a separate overflow line. Option D is incorrect because cooling the tank is not the primary purpose of a fuel tank vent.