Theory of Machine
A completely constrained motion can be transmitted with.

1 link with pin joints
3 links with pin joints
2 links with pin joints
4 links with pin joints

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Lower 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