Theory of Machine
In a hydrodynamic journal bearing, there is

No lubricant between the journal and the bearing
A forced lubricant between the journal and the bearing
A thick film of lubricant between the journal and the bearing
A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing

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Theory of Machine
The steering of a ship means

Movement of a complete ship up and down in vertical plane about transverse axis
Rolling of a complete ship sideways
None of these
Turning of a complete ship in a curve towards right or left, while it moves forward

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