Mechanism/phenomenon involved in the improvement of fatigue strength of a material by shot peening is the

Question: Mechanism/phenomenon involved in the improvement of fatigue strength of a material by shot peening is the
[A].

induction of residual compressive stress on the surface.

[B].

removal of stress concentration from the surface.

[C].

grain refinement.

[D].

surface polishing.

Answer: Option A

Explanation:

No answer description available for this question.