Q
7. To check the brake slack on S-cam brakes, you should park on:
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APark on level ground, chock the wheels, and release the parking brakes.
BStop on level ground and apply the parking brakes.
CPark on level ground and drain off air pressure before adjusting.
Detailed Explanation
The correct answer is "Park on level ground, chock the wheels, and release the parking brakes.". This is based on federal CDL regulations and safety standards.
Correct Answer: Park on level ground, chock the wheels, and release the parking brakes.
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