MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 7 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. |
Calculate the static deflection in µm of transverse vibrations if the frequency is 200Hz. |
| A. | 6 |
| B. | 0.6 |
| C. | 60 |
| D. | 0.006 |
| Answer» B. 0.6 | |
| 2. |
Increasing mass will result in lower frequency. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Calculate the natural frequency of transverse vibrations if the static deflection is 0.01mm. |
| A. | 157.6 |
| B. | 144.8 |
| C. | 173.2 |
| D. | 154.1 |
| Answer» B. 144.8 | |
| 4. |
For the same dimensions of the shaft which of the following has the greater natural frequency? |
| A. | Transverse |
| B. | Longitudinal |
| C. | Depends on thickness |
| D. | Depends upon length |
| Answer» C. Depends on thickness | |
| 5. |
A cantilever shaft having 50 mm diameter and a length of 300 mm has a disc of mass 100 kg at its free end. The Young’s modulus for the shaft material is 200 GN/m3. Determine the static deflection of the shaft in mm. |
| A. | 0.147 |
| B. | 0.213 |
| C. | 0.132 |
| D. | 0.112 |
| Answer» B. 0.213 | |
| 6. |
For the same dimensions of a beam, transverse vibrations have a lower frequency than longitudinal frequency. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
A cantilever shaft having 50 mm diameter and a length of 300 mm has a disc of mass 100 kg at its free end. The Young’s modulus for the shaft material is 200 GN/m2. Determine the frequency of transverse vibrations of the shaft. |
| A. | 31 |
| B. | 35 |
| C. | 37 |
| D. | 41 |
| Answer» E. | |