Mechanical Engineering > GATE 2022 SET-1 > Stress and Strain
A thin-walled cylindrical pressure vessel has mean wall thickness of t and nominal radius of r. The Poisson’s ratio of the wall material is 1/3. When it was subjected to some internal pressure, its nominal perimeter in the cylindrical portion increased by 0.1% and the corresponding wall thickness became t̅. The corresponding change in the wall thickness of the cylindrical portion, i.e., 100 × (t̅ − t)/t, is ________% (round off to 3 decimal places).
Correct : -0.033
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