In hydrodynamic bearings

1.	In hydrodynamic bearings
A.	the oil film pressure is generated only by the rotation of the journal
B.	the oil film is maintained by supplying oil under pressure
C.	do not require external supply of lubricant
D.	grease is used for lubrication
Answer» B. the oil film is maintained by supplying oil under pressure

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In hydrodynamic bearings

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