Machine Design
Eye bolts are used for

Absorbing shock and vibrations
Lifting and transportation of machines and cubicles
Transmission of power
Foundation purposes

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Machine Design
Slenderness ratio is the ratio of

Effective length of column to least radius of gyration of the column
Width of column to depth of column
Effective length of column to width of column
Maximum size of column to minimum size of column

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Machine Design
In a hydrodynamic lubricated bearing

The lubricant is forced between the journal and the bearing, by external pressure
There is no lubricant between the journal and the 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

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