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

Thick film
Thin film
None of these
Either A or B

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Machine Design
In a hydrodynamic lubricated bearing

There is a thick film of lubricant between the journal and the bearing
There is a thin film of lubricant between the journal and the bearing
The lubricant is forced between the journal and the bearing, by external pressure
There is no lubricant between the journal and the bearing

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