Polar moment of inertia of a solid circular shaft of diameter 'd' is:

1.	Polar moment of inertia of a solid circular shaft of diameter 'd' is: _____.
A.	πd2/4
B.	πd4/64
C.	πd4/32
D.	πd3/64
Answer» D. πd3/64

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Polar moment of inertia of a solid circular shaft of diameter 'd' is: _____.

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