Florida CDL Double/Triple Trailers Practice Test

Which choice is safest and most consistent with FLHSMV/FMCSA rules for pintle hook warning during dolly uncoupling?

Use the light cord as the pintle safety lock Never unlock the pintle hook with the dolly still under the rear trailer Unlock it before supporting the rear trailer Unlock it while the rig is angled

Correct Answer:

Never unlock the pintle hook with the dolly still under the rear trailer

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