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

What is the correct setting for intermediate trailer shut-off valves?

Intermediate trailer shut-off valves must be open so air reaches trailing units. closed like the last trailer removed used as cargo locks

Correct Answer:

Intermediate trailer shut-off valves must be open so air reaches trailing units.

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