General Studies · Automobile Engineering
What happens when the driver presses the brake pedal in a hydraulic disc brake system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The brake drum rotates faster than the wheel
- 2Friction linings contract to stop the wheel
- 3Pistons push the pads against the rotating disc✓
- 4Air pressure pushes the shoes onto the disc
Correct answer
Pistons push the pads against the rotating disc
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