Answer to Question #175885 in Mechanical Engineering for Ntsako Maluleke

Question #175885

A compressed air vessels has inside diameter of 2m and a plate of 12.5mm.if tensile stress induced in plating is to be limited to 100mpa,calculate for both the longitudinal and circumferential seams the pre




1
Expert's answer
2021-04-01T01:11:09-0400

Diameter of vessel is 2m, and thickness of plate is 12.5 mm "= 12.5 \\times 10 ^{-3} m"

Longitudinal stress "= \\sigma _l= \\frac{pd}{2t \\eta_c}=\\frac{100\\times 2}{4\\times 12.5\\times 10^{-3}}=" 4000Mpa

and circumferential stress

"\\sigma _c= \\frac{pd}{2t \\eta_l}=\\frac{100\\times 2}{2\\times 12.5\\times 10^{-3}}=" 8000 Mpa



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