Air brake systems use _____to control the movement of a diaphragm.
A)hydraulic pressure
B)engine vacuum
C)component rotation
D)compressed air

Question

Quizplus · Accepted Answer

Air brake systems use compressed air to control the movement of a diaphragm. When the brake pedal is pressed, air is released into the brake chamber, causing the diaphragm to move and apply the brakes. When the pedal is released, the air is vented out, releasing the brakes.

Air Brake Systems Use _____To Control the Movement of a Diaphragm