Machine Design
The cam follower generally used in automobile engines is

Roller follower
Flat faced follower
Knife edge follower
Spherical faced follower

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Coaxing is the procedure of increasing

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

ANSWER DOWNLOAD EXAMIANS APP