question_answer

Which of the following are inversions of a double slider crank chain?                           

1. Whitworth return motion.

2. Scotch Yoke,

3. Oldham's Coupling.

4.  Rotary engine.

Select correct answer using the codes given below:

Codes:

A) 1 and 2            

B) 1, 3 and 4

C) 2 and 3            

D) 2, 3 and 4