Practice question

A driver is reviewing rear trailer height. Which answer matches official New York DMV or FMCSA guidance?

the rear trailer should be slightly lower than the center of the dolly fifth wheel
the rear trailer should be much higher than the dolly fifth wheel
height does not matter for dolly coupling
the kingpin should be above the jaws and miss them

Answer: A — the rear trailer should be slightly lower than the center of the dolly fifth wheel

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