If the polar moment of inertia is increased to four times, then what w – McqOptions

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1.	If the polar moment of inertia is increased to four times, then what will be the effect on free torsional vibrations of a single motor system?
A.	Increases 4 times
B.	Increases 2 times
C.	Decreases 4 times
D.	Decreases 2 times
Answer» C. Decreases 4 times

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