Theory of Machine
The ratio of the number of teeth to the pitch circle diameter in millimeters, is called

Diametral pitch
None of these
Circular pitch
Module

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Theory of Machine
Angle of dwell of cam 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 definite displacement of the follower
Through which the cam rotates during the period in which the follower remains in the highest position
During which the follower returns to its initial position

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