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Q. |
The moment of inertia of a hollow circular section whose external diameter is 8 cm and interial diameter is 6 cm about the axis passing through its centre is |
A. | 66.8 cm4 |
B. | 137.5 cm4 |
C. | 550 cm4 |
D. | 33.4 cm4 |
E. | 275 cm4 |
Answer» B. 137.5 cm4 |
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