Exercise $2-$ A gasoline line is connected to a pressure gage through a double $U$ manometer. For a given reading of the pressure gage, determine the pressure of the gasoline gage $(P_2)$

Properties

$SG(oil)-0\mathrm{.}79$

$SG(mercury)-13\mathrm{.}6$

$SG(gasoline)-0\mathrm{.}70$

$p_w=1000k\frac{g}{m^3}$

Questions $-$

$($a$)$ What is $P_2($ANSW $-371\mathrm{.}74$kPa $)$