When inspecting air brake slack adjusters, what is the maximum allowable free play for most commercial vehicles?

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Multiple choice — select the best answer

A1/4 inch
B1 inch
C1/2 inch
D2 inches

✓ Correct answer: A. 1/4 inch The maximum allowable free play for most commercial vehicle slack adjusters is 1/4 inch, beyond which brake performance would be compromised and could result in an out-of-service violation.

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When inspecting air brake slack adjusters, what is the maximum allowable free play for most commercial vehicles?

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