Theory of Machine
In a steam engine, the distance by which the outer edge of the D-slide valve overlaps the steam port is called

Exhaust lap
Steam lap
Lead
None of these

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Theory of Machine
A body in motion will be subjected to Coriolis acceleration when that body is

In plane motion which is a resultant of plane translation and rotation
In plane translation with variable velocity
In plane rotation with variable velocity
Restrained to rotate while sliding over another body

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

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