Machine Design
In a steam engine, the piston rod is usually connected to the cross-head by means of a

Knuckle joint
Cotter joint
Universal joint
Oldham coupling

ANSWER DOWNLOAD EXAMIANS APP

Machine Design
A stud

Has a head on one end and a nut fitted to the other
Has head at one end and other end fits into a tapped hole in the other part to be joined
Has both the ends threaded
Has pointed threads

ANSWER DOWNLOAD EXAMIANS APP