Problem 4: (15 pts)

A pressure vessel of dimensions d; = 1 in inside diameter and do = 2 in outside diameter is subjected to

inside and outside gage pressures of pi = 30 kpsi and p.= 10 kpsi, respectively. Find all the stresses

(ox, y, and o:) at points A (r=r) and B (r=ro) shown in the figure.

B