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GATE ME 2012
MCQ (Single Correct Answer)
+1
-0.3
A thin walled spherical shell is subjected to an internal pressure. If the radius of the shell is increased by 1% and the thickness is reduced by 1%, with the internal pressure remaining the same, the percentage change in the circumferential (hoop) stress is
A
0
B
1
C
1.08
D
2.02
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