Soil Mechanics and Foundation
The flownet for an earthen dam with 30 m water depth consists of 25 potential drops and 5 flow channels. The coefficient of permeability of dam material is 0.03 mm/sec. The discharge per meter length of dam is

0.18 m3/sec
0.0045 m3/sec
0.1125 m3/sec
0.00018 nrVsec

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Soil Mechanics and Foundation
The total discharge from two wells situated near to each other is

less than the sum of the discharges from individual wells
sum of the discharges from individual wells
greater than the sum of the discharges from individual wells
equal to larger of the two discharges from individual wells

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