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A drainage canal discharges 0.2 m3/sec of water from 250 hectares area, the drainage coefficient of the land will be
- A2 mm
- B7 mm
- C10 mm
- D7 cm
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Drainage Co-efficient (D.C)
The depth of water drained off from a given area in 24 hours is called the drainage co-efficient or it can be defined as the design capacity of the drainage system and is typically expressed as a depth of water removed in 24 hours.
$(D.C = \frac{{Total\;water\;discharge\;in\;24\;hrs\;\left( {{m^3}} \right)}}{{Total\;land\;area\;in\;sq.\;meters}})$
$(D.C = \frac{{0.2 \times 24 \times 60 \times 60}}{{250 \times 10000}})$
$(D.C. = 6.912 \times {10^{ - 3}}\;m = 6.912\;mm)$
Therefore, the drainage coefficient of the land will be 7 mm.
The depth of water drained off from a given area in 24 hours is called the drainage co-efficient or it can be defined as the design capacity of the drainage system and is typically expressed as a depth of water removed in 24 hours.
$(D.C = \frac{{Total\;water\;discharge\;in\;24\;hrs\;\left( {{m^3}} \right)}}{{Total\;land\;area\;in\;sq.\;meters}})$
$(D.C = \frac{{0.2 \times 24 \times 60 \times 60}}{{250 \times 10000}})$
$(D.C. = 6.912 \times {10^{ - 3}}\;m = 6.912\;mm)$
Therefore, the drainage coefficient of the land will be 7 mm.