Practice question

Which statement is correct about converter dolly purpose for the New York CDL doubles/triples test?

  1. a converter dolly converts air brakes to hydraulic brakes
  2. a converter dolly couples a semitrailer behind a tractor-trailer combination
  3. a converter dolly is a passenger loading device
  4. a converter dolly replaces the CDL endorsement

Answer: B — a converter dolly couples a semitrailer behind a tractor-trailer combination

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