Ontario Air Brake Z Test Practice Questions - Ontario Air Brake (Z Endorsement) Knowledge Test Exam

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A chamber has a manufacturer vent hole and no leak, but the matching steering-axle chamber is a different size. What matters most?

Different sizes are fine if clean A tight compressor belt cancels the issue The mismatched steering-axle chamber size is a defect concern because braking can be unbalanced The manufactured vent hole is automatically a defect

Correct Answer:

The mismatched steering-axle chamber size is a defect concern because braking can be unbalanced

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