Question 23 of 25
Score: 0/0Why is the S-cam in S-cam drum brakes called an "S-cam"?
ExplanationThe S-cam gets its name from its “S” shape, which helps spread the brake shoes apart when it rotates, pressing them against the brake drum.
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Did you know? Drain your tanks daily — moisture is the enemy of an air system, and the exam knows it.
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