A solid brass G = 5400 ksi shaft of diameter, d2 = 1.75-in. [segments (1), (2), and (3)] has been stiffened between B and C by the addition of a cold-rolled stainless steel tube (4). The tube has an outside diameter of D4 = 3.75 in., a wall thickness of t4 = 0.14 in., and a shear modulus of G = 12700 ksi. The tube is attached to the brass shaft by means of rigid flanges welded to the tube and to the shaft. (The thickness of the flanges can be neglected for this analysis.) Segments (1) and (3) are of length L1 = L3 = 13 in. and segments (2) and (4) are of length L2= 22 in. A torque of T = 200 lb ft is applied to the shaft as shown. Determine:
A) The maximum shear stress magnitude in segment of the brass shaft.
B) The maximum shear stress magnitude in segment of the brass shaft (i.e., between flanges B and C)
C) The maximum shear stress magnitude in the stainless steel tube
D) The rotation angle of end D relative to end A.