Problem 4 [40 marks] A brass cylinder (E = 75 GPa and v = 0.33) of outer radius 150 mm and inner radius 100 mm is to be press-fit over a steel cylinder (E = 200 GPa and v = 0.28) of outer radius 100.02 mm and inner radius 50 mm. a) Find the interface pressure; [20 marks] Draw the radial and hoop stresses in both cylinders generated due to misfit; [20 marks] c) For Masters Students only: Draw radial and hoop stresses in both cylinders when the compound cylinder is subjected to the internal pressure of 10 MPa. [20 marks] b )