Irrigation Engineering According to Khosla’s theory, the exit gradient in the absence of a downstream cutoff is very large infinity unity very large infinity unity ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The useful moisture of soil, is equal to its Saturation capacity Field capacity Difference between filed capacity and permanent wilting point within the root zone of plants Moisture content at permanent wilting point Saturation capacity Field capacity Difference between filed capacity and permanent wilting point within the root zone of plants Moisture content at permanent wilting point ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by T= Vkd k= VTd T = k/d T = kd T= Vkd k= VTd T = k/d T = kd ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The best unit duration of storm for a unit hydrograph is 1 hour equal to basin lag one-fourth of basin lag one-half of basin lag 1 hour equal to basin lag one-fourth of basin lag one-half of basin lag ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be 50 mm 90 mm 140 mm 60 mm 50 mm 90 mm 140 mm 60 mm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a standing crop, the consumptive use of water is equal to the depth of water Transpired by the crop Evaporated by the crop Transpired and evaporated by the crop Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil Transpired by the crop Evaporated by the crop Transpired and evaporated by the crop Used by the crop in transpiration, evaporation and also the quantity of water evaporated from adjacent soil ANSWER DOWNLOAD EXAMIANS APP
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