MCQOPTIONS
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MCQOPTIONS
This section includes 7 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 velocity ratio is less than 3, then centre distance is given by D+.5d. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
A shorter centre distance is always preferred in belt drives. |
| A. | Yes due to stability |
| B. | No due to stability |
| C. | Yes due to instability |
| D. | No due to instability |
| Answer» B. No due to stability | |
| 3. |
It is possible to use the belting reverse direction without violating the law of belting. |
| A. | True |
| B. | False |
| Answer» C. | |
| 4. |
The law of belting states that the centreline of the belt when it approaches a pulley must not lie in the midplane of the pulley. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Vertical drives are preferred over horizontal. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
The optimum velocity of the belt for maximum transmission is given by P/6m. |
| A. | Yes |
| B. | No, by replacing 6 by 3 |
| C. | Replacing 6 by 9 |
| D. | None of the listed |
| Answer» C. Replacing 6 by 9 | |
| 7. |
Fabric rubber belts are not widely used as they can t be operated at high speeds. |
| A. | They can t be used at velocities 50m/s |
| B. | They can be used at high velocities |
| C. | Limiting velocity is 20m/s |
| D. | None of the listed |
| Answer» C. Limiting velocity is 20m/s | |