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What will the absolute pressure of water at depth 12m below the surface?$(\rho_{water}=1000Kg/m^3,P_{atm}=101KN/m^2)$

$\begin{array}{1 1}(A)\;215KPa\\(B)\;248.5KPa\\(C)\;218.7KPa\\(D)\;221.3KPa\end{array} $

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$P_{absolute}=\rho gh+P_{atm}$
$\Rightarrow (\large\frac{1000\times 9.81\times 12}{1000}$$+101)KPa$
$\Rightarrow 218.7KPa$
Hence (C) is the correct answer.
answered May 9, 2014 by sreemathi.v

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