In the given figure, considering PN as one shaft, If the mass moment – McqOptions

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

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