3.5-2 The outer diameter of the hollow aluminum shaft (see figure) is d 2 =100 mm^ and the inner diameter is d 1 = 50 mm. When being twisted by the torque T, the twist angle per unit length of the shaft was 2/m. The shear modulus of aluminum is G= 27.5 GPa. (a) Find the maximum tensile stress Omax of the axis. (b) Find the magnitude of the working torque T.

Q: A thin-walled tube is subjected to torsion as shown. Determine the angle of twist produced. (in rad)

A: Given Radius =300 mm = 0.3 m Length = 6 m Thickness = 25 mm = 0.025 m T = 4kN m = 4000 Nm G = 70 GPa…

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Q: A 1.25-in-dia solid steel shaft with several twisting couples is shown in figure 1. For  TA = 10000…

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Q: A torsional moment T = 8,867 Nm and a load P = 59,372 N are applied at the same time to a circular…

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A: according to the details given above

Q: A solid shaft BC is fixed at the B end and subjected to torque T at the C end, as shown below. The…

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A: Here is the solution for the above question.

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Q: b) The following diagram represent a shaft composed of three segments and fastened to rigid…

A: According to the given data TC=300 N.m TD=700 N.m segment Material Diameter(mm) Length(m) Shear…

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.