Theory of Machine
Oldham's coupling is the

Third inversion of double slider crank chain
Third inversion of slider crank chain
Second inversion of single slider crank chain
Second inversion of double slider crank chain

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Theory of Machine
In a cone pulley, if the sum of radii of the pulleys on the driving and driven shafts is constant, then

Open belt drive is recommended
The drive is recommended depending upon the torque transmitted
Both open belt drive and crossed belt drive is recommended
Crossed belt drive is recommended

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Theory of Machine
Which of the following property of the instantaneous center is correct?

All of these
A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.
The velocity of the instantaneous centre relative to any third rigid link is same whether the instantaneous centre is regarded as a point on the first rigid link or on the second rigid link.
The two rigid links have no linear velocity relative to each other at the instantaneous centre.

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