Practice question

A driver is reviewing visual coupling check. Which answer matches official New York DMV or FMCSA guidance?

  1. clean paint proves the coupling is safe
  2. tractor tire tread proves fifth-wheel lock
  3. there should be no space between upper and lower fifth wheel and jaws should close on the kingpin shank
  4. a dry ungreased fifth wheel is required

Answer: C — there should be no space between upper and lower fifth wheel and jaws should close on the kingpin shank

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

Practice more: NY CDL Doubles and Triples Practice Questions - New York CDL Doubles and Triples Endorsement Test Exam →