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1. |
A solid circular shaft needs to be designed to transmit a torque of 50 Nm. If the allowable shear stress of the material is 140 MPa, assuming a factor of safety of 2, the minimum allowable design diameter in mm is |
A. | 8 |
B. | 16 |
C. | 24 |
D. | 32 |
Answer» C. 24 | |