Theory of Machine
Which of the following is an inversion of a double slider crank chain?

Elliptical trammel
Scotch yoke mechanism
Oldham's coupling
All of these

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Open pairs are those which have

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

ANSWER DOWNLOAD EXAMIANS APP