$Q=20\frac{m^3}{m}in,$ Temperature $=20C$

Number of tank $=2($Both has square surface, $L=W)$

Volume of Tank $1$: Volume of Tank $2=1$:$3$

$G=50$ and $20s^{-1}$

Total detention time $=40$min

Depth $=4\mathrm{.}0m$

Impeller type: radial$-$flow impeller, three blades, $Np=0\mathrm{.}47$

Available impeller diameters: $1\mathrm{.}0,2\mathrm{.}0,$ and $3\mathrm{.}0$ m

Assume $B=\frac{1}{2}H$

Calculate Rotation al speed of impeller in rpm$,$ Tank $1$ only Total Volume of tanks $=Qt$

$=1\mathrm{.}002{10}^{-3}Pa*s$

$P=G^{2}v$

Vol$=DLW$

$As=$ surface area

$P=N_p(n{)}^3(D_i{)}^5$

As $=$ surface area

Classification

$\backslash$table$[[,$Range$],[$D$/$T$,0\mathrm{.}140\mathrm{.}5$