Mechanical Engineering > GATE 2013 SET-4 > Vibrations
If two nodes are observed at a frequency of 1800 rpm during whirling of a simply supported long slender rotating shaft, the first critical speed of the shaft in rpm is
A
200
B
450
C
600
D
900

Correct : b

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whirling of shaft critical speed of shaft simply supported shaft two nodes whirling GATE Mechanical Engineering 2013 GATE ME 2013 Q9 first critical speed rotating shaft dynamics

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