CDL Air Brakes Knowledge Test [exam-quick]

What is the maximum push rod stroke allowed before brakes are considered out of adjustment?

Whatever the driver feels is sufficient based on pedal feedback Varies by brake chamber size, but typically 1¾ to 2 inches maximum 3 inches maximum for all brake chamber sizes 4 inches maximum for all brake chamber sizes

Correct Answer:

Varies by brake chamber size, but typically 1¾ to 2 inches maximum

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