Q
56. The S-cam forces the brake shoes away from one another and presses them against the inside of the brake drum. It is called the S-cam because:
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AIt is shaped like the letter 'Z'
BIt is shaped like the letter 'N'.
CIt is shaped like the letter 'S'.
Detailed Explanation
The correct answer is "It is shaped like the letter 'S'.". This is based on federal CDL regulations and safety standards.
Correct Answer: It is shaped like the letter 'S'.
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