A siphon in Figure $1($a$)$ connects two water tanks with a pipe of diameter $0\mathrm{.}4m$ and roughness

$0\mathrm{.}4mm.$ Assume the coefficient of minor loss is $0\mathrm{.}3$ at the elbow and $1$ at inlet$/$outlet$,$ and the

Darcy friction constant is $0\mathrm{.}0195.$

Determine the flow rate.

Draw the energy grade line and the hydraulic grade line.

Refer to the Colebrook$-$White formula and Moody's diagram $($Figure $1($b$)),$ verify the

validity of assumed value for the Darcy friction constant.

Figure $1($b$).$