Question:medium

The 'ratchet and pawl' mechanism in a jack hammer drill

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A ratchet and pawl mechanism always \[ \boxed{ \text{Allows one-way rotation and prevents reverse motion.} } \]

Updated On: Jul 14, 2026

Prevents reverse rotation of rifle bar
Forces down the piston
Engages rifle bar with rifle nut
Provides a twisting force to the drill steel

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The Correct Option is A

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