Two steel shafts (G=77.2 GPa) are connected to a coupling disk Band to fixed supports at A and C. Shaft BC is solid, while shaft AB is hollow with an inner diameter of 25 mm. Take T= 1.9 kN-m. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. 250 mm 200 mm 38 mm 50 mm Determine the maximum shearing stress in shaft AB. MPa. The maximum shearing stress in shaft AB is

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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.