Two solid steel shafts are fitted with flanges that are then connected by bolts as shown. The bolts are slightly undersized and permit a 1.5° rotation of one flange with respect to the other before the flanges begin to rotate as a single unit. Knowing that C = 11.2 x 10 6 psi, determine the maximum shearing stress in each shaft when a torque of T of magnitude 420 kip • ft is applied to the flange Indicated.
3.55 The torque T is applied to flange B.
3.56 The torque T is applied to flange C.