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What is the compressional strain of each of the four identical hollow cylindrical columns of mild steel supporting a big structure with a mass of 50,000 kg, given that the inner and outer radii of each column are 30 cm and 60 cm respectively?

Options

  1. A1.68~ ~ 10 ⁻⁸ ~~
  2. B7.22~ ~ 10 ⁻⁷ ~~
  3. C1.62~ ~ 10 ⁻⁷ ~~
  4. D2.45~ ~ 10 ⁻⁸ ~~

Correct answer

B. 7.22~ ~ 10 ⁻⁷ ~~

Step-by-step solution

Correct Option is : (B) 7.22~ ~ 10 ⁻⁷ ~~

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