Calculate the modulus of section for a hollow circular column of external diameter 60 mm and 10 mm thickness.

Calculate the modulus of section for a hollow circular column of external diameter 60 mm and 10 mm thickness. Correct Answer 170 m

Given data : D = 60 mm ; t = 10 mm & d = 60 – 2×10 = 40 mm For hollow circular section, modulus of section( Z ) = 3.14 × D4 – d4 / 32 D. = 17016.3 mm = 170 m.
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