Question

A hollow shaft outside diameter 120 mm and thickness 20 mm. Find polar moment of inertia.

a.

16.36 × 10⁶ mm⁴

b.

18.45 × 10⁶ mm⁴

c.

21.3 × 10⁶ mm⁴

d.

22.5 × 10⁶ mm⁴

Answer: (a).16.36 × 10⁶ mm⁴

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Q. A hollow shaft outside diameter 120 mm and thickness 20 mm. Find polar moment of inertia.

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