Water flows into the $2-$inch$-$diameter galvonized iron pipe shown below at $0\mathrm{.}3f\frac{t^3}{s}.$ If the pipe branches into

two $1-$inch diameter pipes ABD and ACD, which are $4ft$ and $6ft$ long repectively. $($a$)$ determine the flow rate

through each pipe in $\frac{m^3}{s},$ neglecting minor losses, $($b$)$ determine the pressure drop across each branch.