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Machine Design 2: Sliding Contact Bearing
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Machine Design 2: Sliding Contact Bearing
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19 Questions

1. Coefficient of friction is minimum at
2. Hydrodynamic bearing is a self-acting bearing.
3. Thick film lubrication describes a phenomenon where two surfaces are _______ separated.
4. Hydrodynamic lubrication takes place in region?
5. If viscosity of the lubricant is very low than BCN will lie in the region
6. A single transverse weld is preferred over double transverse fillet weld.
7. A journal bearing is a ______ contact bearing working on the hydrodynamic lubrication and which supports load in____ direction.
8. Temperature rise in partial bearing is ____ than full bearing.
9. If fluid film pressure is high and surface rigidity is low than mode of lubrication is called as elastohydrodynamic lubrication.
10. Hydrodynamic bearing is a self-acting bearing.
11. The bearing characteristic number shown in the graph is directly proportional to the unit bearing pressure.
12. Hydrostatic and hydrodynamic lubrication are the same thing.
13. Bearing modulus is the bearing characteristic number at
14. Fitted bearing must be partial bearing.
15. Transverse fillet weld can be designed using the same equations as of parallel fillet weld.
16. Partial bearing is preferred over journal bearing.
17. The fundamental equation for viscous flow is given by ∆pbhᵌ/6µl where symbols have their usual meanings.
18. Thick film lubrication describes a phenomenon where two surfaces are _______ separated.
19. Temperature rise in partial bearing is ____ than full bearing.