Machine Design
Which is correct statement?

Both will be equally rigid
Which one is rigid will depend on several other factors
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

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Machine Design
When the belt is transmitting maximum power,

The tension in tight side is thrice the centrifugal tension
The tension in tight side is twice the centrifugal tension
None of these
The tension in slack side is equal to the centrifugal tension

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