Theory of Machine
Which gear train is used for higher velocity ratios in a small space?

Epicyclic gear train
Simple gear train
Compound gear train
Reverted gear train

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Theory of Machine
In a circular arc cam with roller follower, the acceleration in any position of the lift will depend only upon

Mass of cam follower linkage, spring stiffness and cam speed
Total lift, total angle of lift, minimum radius of cam and cam speed
Radius of circular arc, cam speed, location of centre of circular arc and roller diameter
Total lift, centre of gravity of the cam and cam speed

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