Q
When a brake pedal is pressed and the S-cam is turned, the S-cam:
Air Brakeseasy
ALoosens the brake shoes
BPresses the brake shoes against the inside of the brake drum
CStops the vehicle immediately
Detailed Explanation
The correct answer is "Presses the brake shoes against the inside of the brake drum". This is based on federal CDL regulations and safety standards.
Correct Answer: Presses the brake shoes against the inside of the brake drum
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