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

What is the first coupling step when building a typical set of doubles from a tractor?

Build a typical set of doubles by coupling the tractor to the lead semitrailer first. coupling the rear trailer to the tractor first opening all shut-off valves first raising all landing gear first

Correct Answer:

Build a typical set of doubles by coupling the tractor to the lead semitrailer first.

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