Theory of Machine
In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will

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

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Theory of Machine
The direction of Coriolis component of acceleration is the direction

Along tangential acceleration
Of relative velocity vector for the two coincident points rotated by 90° in the direction of the angular velocity of the rotation of the link
Along the centripetal acceleration
Along perpendicular to angular velocity

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