Multiple Choice
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
Correct Answer:

Verified
Correct Answer:
Verified
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Q4: In case of instantaneous centre of rotation<br>A)Only
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Q6: When sunk key is to be used
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