A solid circular steel shaft AB, held rigidly at both ends, has two different diameters as in figure. Assuming that the maximum permissible shear stress is 80 MPa, determine the allowable torque T that may be applied at the junction C. Answer Tc ? N.m, 20 mm 40 mm B 0.2 m 0.5 m

A solid circular steel shaft AB, held rigidly at both ends, has two different diameters as in figure. Assuming that the maximum permissible shear stress is 80 MPa, determine the allowable torque T that may be applied at the junction C. Answer Tc ? N.m, 20 mm 40 mm B 0.2 m 0.5 m

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 3.8.5P: A stepped shaft ACB having solid circular cross sections with two different diameters is held...

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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

A solid circular steel shaft AB, held rigidly at both ends, has
two different diameters as in figure. Assuming that the
maximum permissible shear stress is 80 MPa, determine the
allowable torque T that may be applied at the junction C.
Answer Tc ? N.m,
20 mm
40 mm
B
0.2 m
0.5 m

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