Theory of Machine
Klein's construction is useful to determine

Velocity of various parts
Displacement of various parts
Angular acceleration of various parts
Acceleration of various parts

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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
All of the listed here
Cause withdrawing or throttling of steam
Reduce maximum opening of port to steam

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