A scuba tank (see figure) is being designed for an internal pressure of 2640 psi with a
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A scuba tank (see figure) is being designed for an internal pressure of 2640 psi with a factor of safety of 2.0 with respect to yield. The yield stress of the steel is 65,000 psi in tension and 32,000 psi in shear.
(a) If the diameter of the tank is 7.0 in., what is the minimum required wall thickness?
(b) If the wall thickness is 0.25 in., what is the maximum acceptable internal pressure?
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