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Strength of Materials - Engineering

Q1:

Whenever a material is loaded within elastic limit, stress is __________ strain.

A equal to

B directly proportional to

C inversely proportional to

ANS:B - directly proportional to

Withinin proportional limit stress strictly proportional to strain. But after that, it slightly varies means does not proportional up to the elastic limit. So here, according to questions within elastic limit stress may be proportional to strain.