Problem $1.$ Rapid Mix Tank

$Q=0\mathrm{.}050\frac{m^3}{s}$

Detention time $=5$ seconds

Tank configuration $=$ circular where liquid depth $=2$ diameter

$G=750s^{-1}$

Impeller: $6$ flat blades $N_p=3\mathrm{.}6$

Available diameters: $0\mathrm{.}25,0\mathrm{.}5,1\mathrm{.}0m$

Water Temperature $=10$ degrees visc; use $1000k\frac{g}{m^3}=$ density