Question

The Boussinesq influence factor is given by ____________

a.

\(K_B=\frac{3Q}{2πz} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{5/2}\)

b.

\(K_B=\frac{3Q}{2π} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

c.

\(K_B=\frac{3}{2π} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

d.

\(K_B=\frac{3}{2πz} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

Answer: (c).\(K_B=\frac{3}{2π} \left[\frac{1}{1+(\frac{r}{z})^2} \right]^{\frac{5}{2}}\)

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Q. The Boussinesq influence factor is given by ____________

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