Machine Design
Which is correct statement?

Which one is rigid will depend on several other factors
A member made of cast iron will generally be more rigid than a member of equal load carrying ability made of steel
A member made of steel will generally be more rigid than a member of equal load carrying ability made of cast iron
Both will be equally rigid

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Machine Design
Pitch point of a cam is

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

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