1.

In a tube well of 20cm diameter in a soil with coefficient of permeability of 4.15 * 10-4m/s, drawdown is 4m and aquifer is 30m thick. If radius of influence is 245m, what is the discharge in each well?

A. 0.033 m<sup>3</sup>/s
B. 0.040 m<sup>3</sup>/s
C. 0.036 m<sup>3</sup>/s
D. 0.042 m<sup>3</sup>/s
Answer» D. 0.042 m<sup>3</sup>/s


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