Ohio CDL Doubles And Triples Endorsement Test Practice Questions - Ohio CDL Doubles And Triples Endorsement Test Exam

What is the correct setting for shut-off valves at the rear of the last trailer?

Rear shut-off valves on the last trailer must be closed so the system holds air. open to exhaust air removed for triples used to steer the dolly

Correct Answer:

Rear shut-off valves on the last trailer must be closed so the system holds air.

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