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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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