An axial residual compressive stress due to a manufacturing process is present o

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Question

An axial residual compressive stress due to a manufacturing process is present on the outer surface of a rotating shaft subjected to bending. Under a given bending load, the fatigue of the shaft in the presence of the residual compressive stress is ____________

Options:

A . Decreased

B . Increases or decreased, depending on the external bending load

C . Neither decreased nor increased

D . Increases

Answer: Option D
Answer: (d).Increases

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