Theory of Machine
Open pairs are those which have

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

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
The direction of Coriolis component of acceleration is the direction

Along the centripetal acceleration
Along tangential acceleration
Along perpendicular to angular velocity
Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link

ANSWER DOWNLOAD EXAMIANS APP