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← HistoryWhich outcome occurs when an Inca suspension bridge's fiber ropes experience prolonged static loads in humid Andean conditions?
A)Increased tensile strength over time
B)Accelerated creep rupture of fibers✓
C)Improved thermal expansion capability
D)Reduced susceptibility to insect infestation
💡 Explanation
Prolonged static load in humid conditions induces accelerated creep rupture; because the applied stress never falls below a threshold, the rope creeps, thinning until it breaks, and this is further sped up by moisture, therefore creep rupture escalates, rather than tensile strength increases.
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