Question $3(10$ Marks$)$

In a step drawdown pumping test, the following data were obtained.

$Q_1,=500\frac{m^3}{d}ay$

$Q_1,=500\frac{m^3}{d}ay,S_1=1\mathrm{.}4m$

$Q_1,=1000\frac{m^3}{d}ay,S_2=3\mathrm{.}2m$

$Q_1,=1000\frac{m^3}{d}ay,S_3=6\mathrm{.}6m$

$,S_4=11\mathrm{.}4m$

Find the coefficient of the aquifer and the coefficient of the well loss.

Estimate the well efficiency at $Q=3000m^3.$

Find the theoretical specific capacity.