Machine Design
For longitudinal joint in boilers, the type of joint used is

Butt joint with single cover plate
Butt joint with double cover plate
Any one of the above
Lap joint with one ring overlapping the other

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
Set 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 parts
Slotted for a screw driver and generally used with a nut

ANSWER DOWNLOAD EXAMIANS APP