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

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.
All of these
A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.
The two rigid links have no linear velocity relative to each other at the instantaneous centre.

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Theory of Machine
In elliptical trammels

Two pairs turning and two pairs sliding
One pair turning and three pairs sliding
Three pairs turning and one pair sliding
All four pairs are turning

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Theory of Machine
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to

Vector sum of tangential component and Coriolis component
Vector sum of radial component and tangential component
Vector sum of radial component and Coriolis component
Vector difference of radial component and tangential component

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Theory of Machine
In a steam engine, the earlier cut-off with a simple slide valve may be obtained by increasing the steam lap and the angle of advance of the eccentric but keeping constant the travel and lead of the valve, this method will

Reduce length of effective stroke of piston
Reduce maximum opening of port to steam
All of the listed here
Cause withdrawing or throttling of steam

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