Practice question
A driver is reviewing converter dolly purpose. Which answer matches official New York DMV or FMCSA guidance?
- a converter dolly couples a semitrailer behind a tractor-trailer combination
- a converter dolly converts air brakes to hydraulic brakes
- a converter dolly is a passenger loading device
- a converter dolly replaces the CDL endorsement
Answer: A — a converter dolly couples a semitrailer behind a tractor-trailer combination
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