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
Related Questions on Chemical Engineering Basics
Which of the following will resist maxi-mum shock & vibration without cracking?
A. Grey cast iron
B. White cast iron
C. Malleable iron
D. Graphite
A. Pulverised fuel
B. Travelling grate stoker firing
C. Circulating fluidised bed
D. Fluidised bed
Isotropic materials have the same __________ in all directions.
A. Induced stresses
B. Density
C. Elastic properties
D. Thermal properties
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