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. 
removal of stress concentration from the surface. 
grain refinement. 
surface polishing. 
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
