Machine Design
In skew bevel gearing, the axes of shafts are

None of these
Non-intersecting and nonparallel and the teeth are curved
Intersecting and the teeth are curved
Non-intersecting and non-parallel and the teeth are straight

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Machine Design
In hydrodynamic bearings

Do not require external supply of lubricant
The oil film is maintained by supplying oil under pressure
Grease is used for lubrication
The oil film pressure is generated only by the rotation of the journal

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