the given figure, considering left end has one rotor, If the mass mom – McqOptions

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1.	the given figure, considering left end has one rotor, If the mass moment of inertia of the shaft till node N1 is increased to four times, then what will be the effect on free torsional vibrations of a rotor at left end of N1?
A.	Increases 4 times
B.	Increases 2 times
C.	Decreases 4 times
D.	Decreases 2 times
Answer» E.

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