Theory of Machine
A spring controlled governor is said to be unstable when the controlling force

Increases as the radius of rotation decreases
Remains constant for all radii of rotation
Increases as the radius of rotation increases
Decreases as the radius of rotation increases

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Lower pairs are those which have

Surface contact between the two elements when in motion
Point or line contact between the two elements when in motion
Elements of pairs not held together mechanically
Two elements that permit relative motion

ANSWER DOWNLOAD EXAMIANS APP