Question

Which of these is a safe procedure when uncoupling a converter dolly?

Accepted Answer

Do not unlock the pintle hook while the dolly is still under the rear trailer.

Answer

Release the pintle hook on the first semitrailer while the dolly is under it.

Answer

The tow bar on the dolly will fall off if the pintle hook is released under the first trailer.

Answer

Lock the pintle hook on the first semitrailer.

Question 13 - Doubles/Triples Test Practice Test for the CDL