Question: 1. A welded aluminum alloy cylindrical pressure vessel has a diameter of 8 in. and a wall thickness of 3 16 in. The ultimate tensile strength of the alloy is 65,000 psi. Calculate the internal pressure that will cause rupture.
2. Compute the stress developed in the walls of a spherical steel tank having an outside diameter of 500 mm and an inside diameter of 490 mm. The tank is subjected to an internal gage pressure of 14.2 MPa.