Q
When uncoupling a converter dolly, you should:
Doubles/Tripleseasy
ADisconnect air lines first, then release the pintle hook
BRelease the pintle hook first, then disconnect air lines
CDisconnect everything at once
DOnly disconnect the air lines
Detailed Explanation
When uncoupling a converter dolly, disconnect the air lines first to prevent the dolly from rolling, then release the pintle hook.
Correct Answer: Disconnect air lines first, then release the pintle hook
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