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

Radius of rotation of balls decreases as the equilibrium speed decreases
Radius of rotation of balls increases as the equilibrium speed increases
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
The inversion of a mechanism is

Changing of a higher pair to a lower pair
Turning its upside down
Obtained by reversing the input and output motion
Obtained by fixing different links in a kinematic chain

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The relation l = (2/3).(j + 2) apply only to kinematic chains in which lower pairs are used. This may be used to kinematic chains in which higher pairs are used, but each higher pair may be taken as equivalent to

Any one of these
Two lower pairs and one additional link
One lower pair and two additional links
Two lower pairs and two additional links

ANSWER DOWNLOAD EXAMIANS APP