ATo lock the dolly's suspension in place and prevent trailer bounce on rough roads
BTo act as grounding straps for the trailer's electrical system
CTo keep the dolly connected to the trailer if the pintle hook or kingpin coupling fails
DTo limit the turning radius of the combination to prevent off-tracking
✓ Correct answer: C. To keep the dolly connected to the trailer if the pintle hook or kingpin coupling failsPer the CDL manual, safety chains provide a secondary connection between the converter dolly and the trailer so that if the primary coupling device (pintle hook or fifth wheel) fails, the trailer remains attached to the combination.
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