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 life of the shaft in the presence of the residual compressive stress is

increased or decreased, depending on the external bending load

neither decreased nor increased

An axial residual compressive stress due to a manufacturing process is

1.	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 life of the shaft in the presence of the residual compressive stress is
A.	decreased
B.	increased or decreased, depending on the external bending load
C.	neither decreased nor increased
D.	increased
Answer» E.

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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 life of the shaft in the presence of the residual compressive stress is

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