Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

One and a half times the first one
Four times the first one
Same as the first one
One fourth of the first one

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Theory of Machine
Angle of descent of cam is defined as the angle

Of rotation of the cam for a definite displacement of the follower
During which the follower returns to its initial position
Through which the cam rotates during the period in which the follower remains in the highest position
Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

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