Problem $2$

$2\mathrm{.}1$ An open rectangular tank is $2$ m wide and $4$ m long. The tank contains water to a depth of $2$ m and oil $($SG $=$

$0\mathrm{.}8)$ on top of the water to a depth of $1$ m $.$

If you connect a piezometer to water as shown below, what will happen to the water level in the

piezometer?