1.

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
Answer» D. 2, 3 and 4


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