Machine Design
In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.

Either A or B
Thin film
None of these
Thick film

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Machine Design
Which is correct statement?

Both will be equally rigid
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
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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