McqMate
| Q. |
At critical speed |
| A. | The shaforuns smoothly |
| B. | The shaft runs with noise due to vibrations |
| C. | The shaft becomes dynamically unstable with negligible lateral amplitudes |
| D. | The shaft becomes dynamically unstable with large lateral amplitudes |
| E. | None of the above |
| Answer» C. The shaft becomes dynamically unstable with negligible lateral amplitudes | |
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