Pennsylvania CDL Double/Triple Trailers Practice Test

During a doubles inspection, what should the driver verify about the fifth wheel under the rear trailer?

No gap between fifth wheel and trailer apron, jaws locked, and release handle secured That it is dry and unlubricated That it has no kingpin in it That its locking handle is pulled out

Correct Answer:

No gap between fifth wheel and trailer apron, jaws locked, and release handle secured

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