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

Before releasing the pintle hook to uncouple the dolly, what should be done?

Apply converter gear spring brakes or chock wheels Leave it free to roll Open the last trailer emergency shut-off Raise the dolly support

Correct Answer:

Apply converter gear spring brakes or chock wheels

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