MCQOPTIONS
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MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Machine Dynamics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the rotation speed of the disc is increased to 2 times and the mass is reduced to half, overall the Couple acting on bearings will increase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
If the length and radius of the disc is same them moment of inertia is more about which axis? |
| A. | Polar |
| B. | Diametral |
| C. | Shaft |
| D. | Center |
| Answer» B. Diametral | |
| 3. |
If the length of the disc is negligible, then what will be the moment of inertia about the diametral axis? |
| A. | mr<sup>2</sup>/4 |
| B. | mr<sup>2</sup> |
| C. | mr<sup>2</sup>/2 |
| D. | 2mr<sup>2</sup> |
| Answer» B. mr<sup>2</sup> | |
| 4. |
When seen from the top, the gyroscopic couple acting on the disc will act in the clockwise direction. |
| A. | True |
| B. | False |
| Answer» C. | |