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Machine Design 2: Rolling Contact Bearing
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Machine Design 2: Rolling Contact Bearing
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11 Questions

1. A journal bearing is a ______ contact bearing working on the hydrodynamic lubrication and which supports load in____ direction.
2. Footstep bearing is an axial load bearing.
3. Thick film lubrication describes a phenomenon where two surfaces are _______ separated.
4. Temperature rise in partial bearing is ____ than full bearing.
5. Partial bearing is preferred over journal bearing.
6. Fitted bearing must be partial bearing.
7. If fluid film pressure is high and surface rigidity is low than mode of lubrication is called as elastohydrodynamic lubrication.
8. Hydrodynamic bearing is a self-acting bearing.
9. A clearance bearing is design accurately to keep the radius of journal and bearing equal.
10. Hydrostatic and hydrodynamic lubrication are the same thing.
11. If we exclude the cost factor, which bearing is preferred?