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1. |
A circular shaft subjected to torsion undergoes a twist of 1° in a length of 120 cm. If the maximum shear stress induced is limited to 1000 kg/cm and if modulus of rigidity = 0.8 x 10 kg/cm, then the radius of the shaft should be |
A. | π/18 |
B. | 18/π |
C. | π/27 |
D. | 27/π |
Answer» E. | |