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← HistoryOn Viking longships crossing fjords, which risk increased substantially if the rope bridge maintaining structural integrity became waterlogged from prolonged submersion?
A)Increased catenary sag and instability✓
B)Elevated corrosion rate in salt air
C)Bridge-deck induced shear stress increase
D)Reduced cable splice tensile capacity
💡 Explanation
Moisture increases the weight on a rope, causing catenary sag and additional deck instability because the suspended structure is weakened; therefore, sag develops easily and becomes more sensitive to shifting loads, rather than a concern about corrosion at a higher location.
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