The gas tank has an inner diameter of 1.50 m and a wall thickness of 25 mm. If it is made...

The gas tank has an inner diameter of 1.50 m and a wall thickness of 25 mm. If it is made from A-36 steel and the tank is pressured to 5 MPa, determine die factor of Safety against yielding using (a) the maximum-shear-stress theory, and (b) the maximum-distortion-energy theory.