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

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

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Theory of Machine
Inertia force acts

Opposite to the direction of acceleration force
Perpendicular to the acceleration force
None of the listed here
Along the direction of acceleration force

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Theory of Machine
In elliptical trammels

Two pairs turning and two pairs sliding
All four pairs are turning
One pair turning and three pairs sliding
Three pairs turning and one pair sliding

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