Theory of Machine
Klein's construction gives a graphic construction for

Slider-crank mechanism
Velocity polygon
Four bar chain mechanism
Acceleration polygon

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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

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

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