Question

Which of the mentioned below is the Rankine’s formula?

a.

Pcr=\(\frac{A}{1+a(\frac{L}{K_{xx}})}\)

b.

Pcr=\(\frac{\sigma_cA}{1+a(\frac{L}{K_{xx}})}\)

c.

Pcr=\(\frac{A^2}{1+a(\frac{L}{K_{xx}})}\)

d.

Pcr=\(\frac{\sigma_cA^2}{1+a(\frac{L}{K_{xx}})}\)

Answer: (b).Pcr=\(\frac{\sigma_cA}{1+a(\frac{L}{K_{xx}})}\)

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Q. Which of the mentioned below is the Rankine’s formula?

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