Machine Design
Machine screws are

Similar to stud
Similar to small size tap bolts except that a greater variety of shapes of heads are available
Used to prevent relative motion between two parts
Slotted for a screw driver and generally used with a nut

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Cold working

Decreases the fatigue strength
Has no influence on fatigue strength
Increases the fatigue strength
Alone has no influence on fatigue strength

ANSWER DOWNLOAD EXAMIANS APP