10-90. The gas tank is made from A-36 steel and has an inner diameter of 1.50 m. If the tank is designed to withstand a pressure of 5 MPa, determine the required minimum wall thickness to the nearest millimeter using (
a) the maximumshear-stress theory, and (
b) maximum-distortion-energy theory. Apply a factor of safety of 1.5 against yielding.
 
 
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