Practice question

A driver is reviewing dolly connections. Which answer matches official New York DMV or FMCSA guidance?

  1. connect safety chains, air hoses, and light cords after dolly-to-rear-trailer coupling
  2. connect only a washer hose
  3. connect only the cargo seal
  4. connect only a fuel line

Answer: A — connect safety chains, air hoses, and light cords after dolly-to-rear-trailer coupling

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 →