Theory of Machine
The axis of precession is __________ to the plane in which the axis of spin is going to rotate.

Parallel
None of these
Perpendicular
Both A and B

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Theory of Machine
Cam angle is defined as the angle

Moved by the cam from the instant the follower begins to rise, till it reaches its highest position
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

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