Q
55. When you put the brakes on by pushing down on the brake pedal:
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AThe air pressure is reduced to the brake pads.
BAir pressure is applied to the brake pads.
CCompressed air is let go out of the system.
Detailed Explanation
The correct answer is "Air pressure is applied to the brake pads.". This is based on federal CDL regulations and safety standards.
Correct Answer: Air pressure is applied to the brake pads.
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