Extracted text: Problem (4.5): Determine the largest torque T that can be applied to each of the two brass bars shown in Figure (4.26) and the corresponding 1 in. B angle of twist at B, knowing that Tau = 12 ksi and G = 5.6 x 10° psi. 1.6 in. 4 in. -2.4 in. 25 in. (a) Figure (4.26) (b)