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

For a triple rig where legal, how is the third trailer uncoupled?

Pull the dolly out and unhitch it using the doubles method Disconnect the tractor first Open all shut-off valves and drive away Unload all cargo first

Correct Answer:

Pull the dolly out and unhitch it using the doubles method

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