Machine Design
When carbon in the cast iron is principally in the form of graphite, the cast iron will be of

Brown colour
Yellow colour
White colour
Grey colour

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Machine Design
Which is correct statement?

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

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