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Mr. Dubey • 89.33K Points
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Q. 5m and 70mm in diameter, the middle rotor is at a distance 1.5m from one end. Calculate the free torsional vibration frequency for a single node system in Hz if the mass moment of inertia of rotors in Kg- m2 are: 0.15, 0.3 and 0.09. C=84 kN/mm2

(A) 171
(B) 181
(C) 191
(D) 201
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