Machine Design
Which is correct statement?

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
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

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Machine Design
Tapered roller bearings can take

Radial load only
Both radial and axial loads and the ratio of these being less than unity
Axial load only
Both radial and axial loads and the ratio of these being greater than unity

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