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OCFA Chainsaw Familiarization Practice Test

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Which of the following is a listed drive-link count for the 24-inch Common Chain?
Correct Answer:
84 drive links
Explanation:
Drive-link count tells you how many drive links are in the chain, and it must match the bar length and the sprocket so the chain can sit correctly and be tensioned properly. For a 24-inch Common Chain, the standard specification lists 84 drive links. That exact count fits a 24-inch bar designed for that chain pitch and gauge, ensuring the chain engages the drive sprocket and sits along the bar correctly. Using fewer drive links would leave the chain too short for a 24-inch bar, while more links would make it too long and disrupt tensioning and alignment. The other counts are typical for different bar lengths or chain types, not this specific 24-inch common setup.

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