An aluminum pipe must not stretch more than 0.05 in. when it is sub-jected to a tensile load. Knowing that E5 10.1 3 106 psi and that the maximum allowable normal stress is 14 ksi, determine (a) the maxi-mum allowable length of the pipe, (b) the required area of the pipe if the tensile load is 127.5 kips.

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Q: 10 Fig. (6) 8 MPa

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Q: Draw Mohr's circle that describes each of the following states of stress.

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Q: 26. If o, = 50 ksi, o, = 10 ksi, and ty = 30 ksi, what is the absolute maximum shear stress for the…

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Q: Determine the maximum tensile stress (MPa) at

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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.