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

What happens if trailer supply and service gladhands are cross-connected?

The system becomes full Class AZ automatically Trailer service brakes become stronger Nothing changes because lines are interchangeable Trailer brakes will not work correctly and the vehicle is unsafe to operate

Correct Answer:

Trailer brakes will not work correctly and the vehicle is unsafe to operate

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