665×10-3m, calculate the critical speed of the shaft in rps. Centre of disc at 0.25m away from centre of axis of shaft.

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📊 Dynamics of Machines

Q. 665×10-3m, calculate the critical speed of the shaft in rps. Centre of disc at 0.25m away from centre of axis of shaft.

(A) 8.64
(B) 9.64
(C) 10.64
(D) 12.2

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✅ Correct Answer: (D) 12.2

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