Question

In a tube well of 20cm diameter in a soil with coefficient of permeability of 4.15*10¯⁴ m/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 m³/s

b.

0.040 m³/s

c.

0.036 m³/s

d.

0.042 m³/s

Answer: (c).0.036 m³/s

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

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