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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Theory of Machine
A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard?

The centre of the disc has centrifugal acceleration
All points of the disc have the same velocity
The centre of the disc has zero acceleration
The point on the disc making contact with the plane surface has zero acceleration

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