Problem $11$: A concrete pipe is used to help divert a stream to allow repairs to a dam as shown

below. The pipe has a diameter of $15\mathrm{.}0$ feet, length $580ft$ and a finished surface with friction

factor of $0\mathrm{.}025.$ The head loss in the pipe between the inlet and the point $B$ is three$-$quarters of

the friction loss. Ignore minor losses. If the velocity $52\mathrm{.}9fps$ in the pipe, the pressure $($psi$)$ in the

middle of the pipe at Point $B$ is most nearly:

$($A$)25\mathrm{.}4$

$($B$)8\mathrm{.}63$

$($C$)-5\mathrm{.}40$

$($D$)-2\mathrm{.}35$