Civil Engineering MCQJE Level Civil Engineering
While reviewing a load applied instantly from zero height, which conclusion is correct? Avoid the common trap that maximum stress is four times static stress for all materials.
Strength of MaterialsSuddenly Applied LoadMEDIUM
Choose the correct answer
A
maximum stress is half the corresponding static stress
B
maximum stress is four times static stress for all materials
C
maximum stress is twice the corresponding static stress
D
stress is unaffected by loading rate
Correct Answer
C. 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: C.
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This MCQ belongs to SSC JE Civil Paper-I Technical Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.