Task $2$: answer task $2\mathrm{.}3$ in details

Consider a pump$-$pipeline system that delivers water from reservoir A to B as shown in figure $3$ to supply a rural area of Ajloun City with drinking water. $E_A=45\mathrm{.}5m$ and $E_B=52\mathrm{.}9m.$ The pipe has a length of $L=3,050m,$ diameter of $D=0\mathrm{.}50m,$ and a Darcy$-$Weisbach friction factor of $f=0\mathrm{.}02.$ Minor losses include an inlet, exit, and swing$-$type check valve. The pump performance characteristies are shown in the following table. When a single pump is used in the pipeline, the flow rate is $0\mathrm{.}595\frac{m^3}{sec}$ with a pump head of about $66\mathrm{.}3m.$ Knowing that the pipe is new cast iron $)=(0\mathrm{.}011$ :

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