A) 5 mm
B) 10 mm
C) 20 mm
D) 25 mm
Correct Answer: D
Solution :
\[{{\sigma }_{\theta }}=\frac{pd}{2t}\] \[t=\frac{10\times 100}{2\times 200}=2.5\,\,cm\,\,\,or\,\,\,25\,\,mm\]You need to login to perform this action.
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