The torsional assembly of Figure P6.73/74 consists of a cold-rolled stainless-steel tube connected to a solid cold-rolled brass segment at flange C. The assembly is securely fastened to rigid supports at A and D. Stainless steel tube (1) and (2) has an outside diameter of 3.50 in., a wall thickness of 0.120 in., and a shear modulus of G = 12,500 ksi. The solid brass segment (3) has a diameter of 2.00 in. and a shear modulus of G = 5,600 ksi. A concentrated torque of TB= 6 kip-ft is applied to the stainless-steel pipe at B. Determine
(a) the maximum shear stress magnitude in the stainless-steel tube.
(b) the maximum shear stress magnitude in brass segment (3).
(c) the rotation angle of flange C.
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