Practice question

Which statement is correct about pintle hook hazard for the New York CDL doubles/triples test?

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

Answer: B — 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.