A concrete tank if has a minimum stress in wires 600n/mm2 immediately – McqOptions

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1.	A concrete tank if has a minimum stress in wires 600n/mm2 immediately after tensioning and the coefficient of friction is 0.5. Calculate the maximum stress to be applied to the wires at the jack?
A.	900n/mm2
B.	960n/mm2
C.	850n/mm2
D.	800n/mm2
Answer» C. 850n/mm2

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