Machine Design
Which is correct statement?

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

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Machine Design
When the speed of belt increases,

The coefficient of friction between the belt and pulley decreases
The power transmitted will decrease
The power transmitted will increase
The coefficient of friction between the belt and pulley increases

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