Q112
A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of
A.
2 mm
B.
2.22 mm
AnswerC.
2.50 mm
D.
3.0 mm
Answer: Option B
Solution
Answer: Option B
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