1
GATE PI 2017
MCQ (Single Correct Answer)
+1
-0.3
The inside and outside radii of a thick- walled cylindrical pressure vessel are denoted by $$a$$ and $$b,$$ respectively. If the vessel is subjected to an internal pressure $$P,$$ then the magnitude of the radial stress $${\sigma _{rr}}$$ is
A
zero at $$r=a$$ and maximum at $$r=b$$
B
maximum at $$r=a$$ and zero at $$r=b$$
C
constant over the entire thickness
D
zero at both $$r=a$$ and $$r=b$$
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