Calculate circumferential prestress if loss ratio 0.75, thickness is – McqOptions

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1.	Calculate circumferential prestress if loss ratio 0.75, thickness is 120mm, working pressure is 1n/mm2 and Nd is given as 840n/mm?
A.	10.75n/mm2
B.	14.8n/mm2
C.	12.6n/mm2
D.	10.65n/mm2
Answer» B. 14.8n/mm2

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