Pennsylvania CDL Double/Triple Trailers Practice Test

What should you verify about the converter dolly fifth wheel before coupling the rear trailer?

It is properly lubricated, tilted, unlocked as needed, and free of damage It is dry, rusty, and hard to move It is locked closed before the kingpin enters It is covered with cargo straps

Correct Answer:

It is properly lubricated, tilted, unlocked as needed, and free of damage

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