Which phrase describes a vessel that experiences a fast, snapping roll when disturbed?

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Prepare for the Deck General and Deck Safety Test. Study with multiple choice questions, each offering hints and explanations. Ensure you're equipped with the essential knowledge to excel in your exam!

Multiple Choice

Which phrase describes a vessel that experiences a fast, snapping roll when disturbed?

Explanation:
A fast, snapping roll after a disturbance signals a stiff rolling response. This means the vessel has high roll stiffness, producing a strong restoring moment that acts quickly to bring the hull back toward upright, often causing an overshoot or “snap” back. In practical terms, the ship resists being tilted but, once moved, snaps back rapidly rather than settling slowly. This distinguishes it from being simply stable (which could return more gradually), unstable (which would keep tipping), or neutral (which wouldn’t restore to upright at all).

A fast, snapping roll after a disturbance signals a stiff rolling response. This means the vessel has high roll stiffness, producing a strong restoring moment that acts quickly to bring the hull back toward upright, often causing an overshoot or “snap” back. In practical terms, the ship resists being tilted but, once moved, snaps back rapidly rather than settling slowly. This distinguishes it from being simply stable (which could return more gradually), unstable (which would keep tipping), or neutral (which wouldn’t restore to upright at all).

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