Theory of Machine
A governor is said to be stable, if the

Radius of rotation of balls increases as the equilibrium speed increases
Radius of rotation of balls decreases as the equilibrium speed decreases
Radius of rotation of balls increases as the equilibrium speed decreases
Radius of rotation of balls decreases as the equilibrium speed increases

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Crowning on pulleys helps

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

ANSWER DOWNLOAD EXAMIANS APP