UPSC Civil Service Exam Questions

Q1: The ratio between the stress produced in a bar by a sudden application of load (impact loading) as compared to the stress produced by the gradual application of same load is

A 1.5

B 2.0

C 2.5

D 3.0

ANS:B - 2.0

The Answer is B.

Explanation: Maximum stress in sudden loading = 2P/A.
Maximum stress in gradual loading = P/A.r ratio is equal to 2.



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