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← HistoryWhich structural challenge occurs when shipbuilders excessively thin planks?
A)Diminished resistance to hogging stress✓
B)Reduced hull frictional drag coefficient
C)Pronounced cathodic corrosion weakening occurs
D)Increased ice accretion during voyages
💡 Explanation
Reducing plank thickness weakens hull longitudinal strength, because diminished cross-sectional area lessens the plank's ability to withstand bending forces characterized by *section modulus*, therefore resulting in lessened resistance to hogging rather than alternative effects such as corrosion.
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