Question: By experiment, it is found that the material for a shaft fails at a mean shear stress of 4 5 4 MPa . The material

By experiment, it is found that the material for a shaft fails at a mean shear stress of 454 MPa . The material is used to make a solid shaft of 100 mm diameter, with a factor of safety of 4, running at 300revmin-1. Determine:
i. The power transmitted;
ii. the angle of twist per metre length.
The modulus of rigidity for the material, G=80GPa.
By experiment, it is found that the material for

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