please explain everything $5\mathrm{.}3$ Figure $5$ below shows a pipe system that conveys water between two reservoirs, the pipe

information is given in Table $1$ below. The loss co$-$efficient for the sudden expansion at $B$ is $=$

$0\mathrm{.}72.$ The contractions at both $C$ and $D$ are sudden. At point $E$ there is a half opened sluice valve.

Both the entrance $($at A$)$ and exit $($at F$)$ are sharp. The Fanning friction factor for all the pipes is

constant and such that $f=0\mathrm{.}03.$

a$.$ Considering all losses, compute the discharge to the lower reservoir.

Figure $5$