MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Design knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If fluid film pressure is high and surface rigidity is low than mode of lubrication is called as elastohydrodynamic lubrication. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
If we exclude the cost factor, which bearing is preferred? |
| A. | Hydrostatic |
| B. | Hydrodynamic |
| C. | Both are equally preferred |
| D. | Cannot be determined |
| Answer» B. Hydrodynamic | |
| 3. |
Hydrostatic and hydrodynamic lubrication are the same thing. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
Footstep bearing is an axial load bearing. |
| A. | True |
| B. | Thrust load |
| C. | Shear load |
| D. | None of the listed |
| Answer» C. Shear load | |
| 5. |
HYDROSTATIC_AND_HYDRODYNAMIC_LUBRICATION_ARE_THE_SAME_THING.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
If fluid film pressure is high and surface rigidity is low than mode of lubrication is called as elastohydrodynamic lubrication.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
If_we_exclude_the_cost_factor,_which_bearing_is_preferred?$ |
| A. | Hydrostatic |
| B. | Hydrodynamic |
| C. | Both are equally preferred |
| D. | Cannot be determined |
| Answer» B. Hydrodynamic | |
| 8. |
Footstep bearing is an axial load bearing? |
| A. | True |
| B. | Thrust load |
| C. | Shear load |
| D. | None of the listed |
| Answer» C. Shear load | |
| 9. |
Fitted bearing must be partial bearing. |
| A. | True |
| B. | No |
| C. | No lubricating space is required |
| D. | Can’t be stated |
| Answer» B. No | |
| 10. |
A clearance bearing is design accurately to keep the radius of journal and bearing equal. |
| A. | Journal radius is kept larger |
| B. | Journal radius is kept smaller |
| C. | True |
| D. | Can’t be determined |
| Answer» C. True | |
| 11. |
Temperature rise in partial bearing is ____ than full bearing. |
| A. | Lesser |
| B. | Greater |
| C. | Equal |
| D. | Undeterminable |
| Answer» B. Greater | |
| 12. |
Partial bearing is preferred over journal bearing. |
| A. | True |
| B. | No |
| C. | More friction losses |
| D. | Can’t be determined |
| Answer» B. No | |
| 13. |
A journal bearing is a ______ contact bearing working on the hydrodynamic lubrication and which supports load in____ direction. |
| A. | Sliding, Axial |
| B. | Rolling, Radial |
| C. | Sliding, Radial |
| D. | Rolling, Axial |
| Answer» D. Rolling, Axial | |
| 14. |
Hydrodynamic bearing is a self-acting bearing. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 15. |
Thick film lubrication describes a phenomenon where two surfaces are _______ separated. |
| A. | Completely |
| B. | Partially |
| C. | Not |
| D. | None of the mentioned |
| Answer» B. Partially | |