Answered: vator torque tube is made of 24S-T…

vator torque tube is made of 24S-T aluminum alloy & has dimensions of 2- by 0.083 in. Find the angle of twist if the torsional shearing stress has a value of 10,000 psi for a length of 80 in.

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 3.2.5P: Solve the preceding problem if the length L = 56 in., the inner radius r1— 1.25 in., the angle of...

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

An elevator torque tube is made of 24S-T aluminum alloy & has dimensions of 2- by 0.083 in. Find the angle of twist if the torsional shearing stress has a value of 10,000 psi for a length of 80 in.

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