A cylindrical pressure vessel is 1200 mm in diameter. It is made of rolled mild steel plate. The vessel is subjected to an internal pressure of 2 N/mm2. If the material yields at 200 N/mm2, what should be the minimum safe thickness of the plate, based on Maximum principal stress Theory?

A cylindrical pressure vessel is 1200 mm in diameter. It is made of ro

1.	A cylindrical pressure vessel is 1200 mm in diameter. It is made of rolled mild steel plate. The vessel is subjected to an internal pressure of 2 N/mm2. If the material yields at 200 N/mm2, what should be the minimum safe thickness of the plate, based on Maximum principal stress Theory?
A.	18 mm
B.	15 mm
C.	12 mm
D.	9 mm
Answer» E.

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A cylindrical pressure vessel is 1200 mm in diameter. It is made of rolled mild steel plate. The vessel is subjected to an internal pressure of 2 N/mm2. If the material yields at 200 N/mm2, what should be the minimum safe thickness of the plate, based on Maximum principal stress Theory?

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