Question: A hollow shaft do = 2d; where do and d; are the outer and inner diameters respectively needs to transmit 20kW power at 3000

A hollow shaft do = 2d; where do and d; are the

A hollow shaft do = 2d; where do and d; are the outer and inner diameters respectively needs to transmit 20kW power at 3000 RPM. If the maximum permissible shear stress is 30 MPa, do is 1. 11.29 mm 2. 22.58 mm 3. 33.08 mm 4. 45.16 mm

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