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This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Drawing knowledge and support exam preparation. Choose a topic below to get started.
1. |
Find the bearing which comes under rolling contact bearing? |
A. | Solid journal bearing |
B. | Plummer block |
C. | Needle bearings |
D. | Bracket bearings |
Answer» D. Bracket bearings | |
2. |
From the given bearing number find the bearing series it is representing.
|
A. | Light |
B. | Heavy |
C. | Medium |
D. | Extra light |
Answer» C. Medium | |
3. |
If the manufacturer numbered the bearing as 5204Z then what is the series of the bearing? |
A. | Light |
B. | Heavy |
C. | Medium |
D. | Extra light |
Answer» B. Heavy | |
4. |
Which of the following belongs to journal bearing? |
A. | Pivot bearing |
B. | Hanger bearings |
C. | Single collar bearing |
D. | Multi-collar bearing |
Answer» C. Single collar bearing | |
5. |
In Shaft-Bearing combination if thick film lubrication exists what will be the coefficient of friction? |
A. | 0.002 to 0.010 |
B. | 0.001 to 0.003 |
C. | 0.004 to 0.005 |
D. | 0.05 to 0.2 |
Answer» B. 0.001 to 0.003 | |
6. |
In Shaft-Bearing combination if thin film lubrication exists what will be the coefficient of friction? |
A. | 0.002 to 0.010 |
B. | 0.001 to 0.003 |
C. | 0.004 to 0.10 |
D. | 0.05 to 0.2 |
Answer» D. 0.05 to 0.2 | |
7. |
The sliding contact bearings are lower kinematic pairs. |
A. | True |
B. | False |
Answer» C. | |
8. |
In hydrodynamically lubricated bearings what type of lubrication exists between load carrying surface and the journal? |
A. | Thick film lubrication |
B. | Thin film lubrication |
C. | Mixed film lubrication |
D. | Boundary lubrication |
Answer» B. Thin film lubrication | |
9. |
In thin film lubricated bearings, the metal to metal contact ___________ |
A. | Exists everywhere |
B. | Does not exists anywhere |
C. | Exists at some high spots |
D. | No metal to metal contact |
Answer» D. No metal to metal contact | |
10. |
In thick film lubricated bearings, the wear is minimal. |
A. | False |
B. | True |
Answer» C. | |
11. |
In Shaft-Bearing combination if boundary lubrication exists what will be the coefficient of friction? |
A. | 0.002 to 0.010 |
B. | 0.001 to 0.003 |
C. | 0.004 to 0.005 |
D. | 0.05 to 0.2 |
Answer» E. | |