During an RRB JE solution review on Suddenly Applied Load, what is the safest statement about a load applied instantly from zero height? Avoid the common trap that maximum stress is four times static stress for all materials.
Choose the correct answer
maximum stress is four times static stress for all materials
maximum stress is half the corresponding static stress
stress is unaffected by loading rate
maximum stress is twice the corresponding static stress
Correct Answer
D. maximum stress is twice the corresponding static stress
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For a suddenly applied load, energy balance gives twice the static deflection and stress. Correct option: D.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.