Theory of Machine
When a point at the end of a link moves with constant angular velocity, its acceleration will have

Radial component only
Radial and tangential components both
Tangential component only
Coriolis component only

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