Theory of Machine
The motion between a pair when limited to a definite direction, irrespective of the direction of force applied, is known as

Successfully constrained motion
Incompletely constrained motion
Completely constrained motion
None of these

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The contact ratio is given by

(Length of the path of approach)/(Circular pitch)
(Length of the arc of contact)/(Circular pitch)
(Length of the arc of approach)/cosφ
(Length of path of recess)/(Circular pitch)

ANSWER DOWNLOAD EXAMIANS APP