A hollow shaft is required to transmit 700 kW at 110 r.p.m., the maximum torque being 20% greater than the mean. The shear stress is not to exceed 78 MPa and twist in a length of 9.84 feet not to exceed 1.4 degrees. Find the external diameter of the shaft, if the internal diameter to the external diameter is 3/8. Take modulus of rigidity as 79 GPa.

A hollow shaft is required to transmit 700 kW at 110 r.p.m., the maximum torque being 20% greater than the mean. The shear stress is not to exceed 78 MPa and twist in a length of 9.84 feet not to exceed 1.4 degrees. Find the external diameter of the shaft, if the internal diameter to the external diameter is 3/8. Take modulus of rigidity as 79 GPa.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter3: Torsion

Section: Chapter Questions

Problem 3.12.4P: The stepped shaft shown in the figure is required to transmit 600 kW of power at 400 rpm. The shaft...

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