Machine Design
Pick up wrong statement. Fatigue strength can be increased by

Grinding and lapping surface
Cold working
Hot working
Shot peening

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Coaxing is the procedure of increasing

Metal resistance to corrosion by coating
Fatigue limit by over-stressing the metal by successively increasing loadings
Metal strength by cycling
Metal hardness by surface treatment

ANSWER DOWNLOAD EXAMIANS APP