Practice question

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

  1. the dolly drain valve should be open for travel
  2. the dolly drain valve should be removed
  3. the converter dolly air tank drain valve should be closed
  4. the dolly drain valve should be tied to a safety chain

Answer: C — the converter dolly air tank drain valve should be closed

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

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