Q. The safe stress for a hollow steel column which carries an axial load of 2100 kN is 125 MN/m2. if the external diameter of the column is 30cm, what will be the internal diameter?

(A) 25 cm
(B) 26.19cm
(C) 30.14 cm
(D) 27.9 cm

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✅ Correct Answer: (B) 26.19cm

Explanation: area of the cross section of column = π/4 (0.302 – d2) m2

Published by Mr. Dubey ⭐ 104.84K Points at 15-Sep-2023 12:28 am in Design of Machine Elements

Explanation by: Mr. Dubey

area of the cross section of column = π/4 (0.302 – d2) m2

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