Determine the angle of twist for the steel (AISI 4340, OQT 1200 F) hollow shaft with an outside diameter of 40 mm and an inside diameter of 30 mm when transmitting 28 kW of power at a speed of 45 rad/sec. The shaft length is 400 mm

Q: e diameter

A: To find Outside diameter(d2)

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Torsion

In mechanical engineering, torque, torsion, and twisting moment are three of the most important concepts which have different meanings. Torque is the consequence of a moment of a force that produces an angular acceleration in a body or induces rotational kinetic energy in a body. For instance, in an automobile, the power transmission shaft is a body that is always under rotation due to the external torque acting on it, this torque is created by the engine.