Theory of Machine
In a four-bar chain it is required to give an oscillatory motion to the follower for a continuous rotation of the crank. For the lengths of 50 mm of crank and 70 mm of the follower, determine theoretical maximum length of coupler. The distance between fixed pivots of crank and followers is

Slightly less than 95 mm
95 mm
45 mm
Slightly more than 95 mm

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Theory of Machine
Pitch point on a cam is

Any point on pitch circle
Any point on pitch curve
The point on cam pitch curve having the maximum pressure angle
The point on cam pitch curve having the minimum pressure angle

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