Practice question

A driver is reviewing pintle hook hazard. Which answer matches official New York DMV or FMCSA guidance?

never unlock the pintle hook with the dolly still under the rear trailer because the tow bar may fly up
unlocking improves alignment
unlocking is required for a tug test
unlocking drains the air tank

Answer: A — never unlock the pintle hook with the dolly still under the rear trailer because the tow bar may fly up

The correct answer is shown above. Try the full quiz for additional practice.