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Mr. Dubey • 100.64K Points
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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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Explanation by: Mr. Dubey
area of the cross section of column = π/4 (0.302 – d2) m2

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