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.


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