Fatigue life is expected to increase by Options: A . &nbspIncreasing the size of the sample B . &nbspSmooth polishing of the surface of the sample C . &nbspHaving compressive residual stresses at the surface D . &nbspHaving tensile residual stresses at the surface

Fatigue life is expected to increase by

Question

Fatigue life is expected to increase by

Options:

A . Increasing the size of the sample

B . Smooth polishing of the surface of the sample

C . Having compressive residual stresses at the surface

D . Having tensile residual stresses at the surface

Answer: Option C

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