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← HistoryWhich structural consequence occurred when ships transitioning from carvel to clinker planking experienced ice impacts?
A)Increased hull flexibility amidships
B)Decreased frame strength near waterline
C)Sheathing separation after repeated freeze-thaw
D)Plank splitting due to concentrated stress✓
💡 Explanation
When a clinker-built hull impacts ice, the overlapping planks transmit force unevenly, creating concentrated stress because of angled overlaps lacking continuous support, leading to plank splitting. Therefore plank splitting occurs, rather than flexibility, frame weakening, or sheathing separation which involved different failure mechanisms.
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