1.

Which of the following are the inversions of double slider crank chain?1. Oldhan coupling2. Whitworth quick return mechanism3. Beam engine mechanism4. Elliptical Trammel mechanismThe correct answer codes are

A. 1 and 2
B. 1 and 4
C. 2, 3 and 4
D. 1, 2 and 3
Answer» C. 2, 3 and 4


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