BC Class 1 Commercial Practice Questions - British Columbia ICBC Class 1 Commercial Driver Knowledge Test Exam

What can indicate that the tractor's supply and service air lines are reversed after coupling?

The trailer spring parking brakes will not release and the trailer service brakes will not function correctly The headlights turn green The steering wheel locks automatically The load becomes overweight

Correct Answer:

The trailer spring parking brakes will not release and the trailer service brakes will not function correctly

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