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 the factor of safety against yielding using
(a) the maximum-shear-stress theory, and
(b) the maximum-distortion-energy theory.
![2276_99571148-ce63-4b7c-9a2b-558c968b2009.png](https://secure.tutorsglobe.com/CMSImages/2276_99571148-ce63-4b7c-9a2b-558c968b2009.png)