Theory of Machine
In a steam engine, the link constitutes a

Crank pin, crankshaft and flywheel
Piston, piston rod and cross-head
Connecting rod with big and small end brasses, caps and bolts
All of these

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Crowning on pulleys helps

In increasing velocity ratio
Increase belt and pulley life
In decreasing the slip of the belt
For automatic adjustment of belt position so that belt runs centrally

ANSWER DOWNLOAD EXAMIANS APP