discharge through the neter$\mathrm{.}3($b$)$ The difference in water levels between two large reservoirs connected by threepipes in series is $20$m$.$ Find the discharge through the pipeline if the lengths anddiameter of theses pipes are $150$m$,60$m$,120$m and $80$mm$,50$mm$,60$mmrespectively. Take friction factor $($f$)$ for theses pipes as $0\mathrm{.}022,0\mathrm{.}025$ and $0\mathrm{.}03.$Assume all losses.f $315$ cuhic meter per minute. when the