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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Debooster cylinders are used in brake systems primarily to?

Increase the pressure to the brake and decrease the volume of fluid flow
Reduce the pressure to the brake and increase the volume of fluid flow
Purify the hydraulic fluid
Act as a secondary braking system

The correct answer is: Reduce the pressure to the brake and increase the volume of fluid flow

Debooster cylinders are specifically designed to decrease the pressure to the brake in order to prevent it from locking up, allowing for more controlled braking. Option A is incorrect because increasing the pressure to the brake would have the opposite effect and could potentially cause the brakes to seize. Option C is incorrect because debooster cylinders do not purify the hydraulic fluid, which is typically done through filtration. Option D is also incorrect because while debooster cylinders do aid in braking, they are not a separate secondary braking system. Therefore, option B is the best answer as it accurately describes the main function of debooster cylinders in a brake system.