A circular shaft of 40 mm diameter is required to transmit torque from one shaft to another. Find the safe torque, which the shaft can transmit if the shear stress is not to exceed 32Mpa.
1
2.56 π × 105 N-mm
2
0.75 π × 105 N-mm
3
1.28 π × 105 N-mm
4
2.25 π × 105 N-mm