The Westergaard s influence factor is given by _____________ – McqOptions

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1.	The Westergaard s influence factor is given by _____________
A.	(K_W= frac{1}{ left[1+2( frac{r}{z})^2 right]^ frac{3}{2}} )
B.	(K_W= frac{Q}{z^2} )
C.	(K_W= frac{1}{ left[1+2( frac{r}{z})^2 right]^ frac{5}{2}} frac{Q}{z^2} )
D.	(K_W= frac{1}{ left[1+2( frac{r}{z})^2 right]^3} frac{Q}{z^2} )
Answer» B. (K_W= frac{Q}{z^2} )

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