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Question 3.17: A 1.2-m-diameter steel pipe, 6 mm thick, carries oil of sp g...

A 1.2-m-diameter steel pipe, 6 mm thick, carries oil of sp gr 0.822 under a head of 120 m of oil. Compute (a) the stress in the steel and (b) the thickness of steel required to carry a pressure of 1.72 MPa with an allowable stress of 124 MPa.

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