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

What should a driver do if trailer spring parking brakes will not release after coupling?

Investigate possible air-line connection or air-supply problems before moving Drag the trailer until they release Increase speed to build heat Ignore the issue if the tractor moves

Correct Answer:

Investigate possible air-line connection or air-supply problems before moving

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