Irrigation Engineering With the increase in the quantity of water supplied, the yield of most crops increases continuously decreases continuously increases upto a certain limit and then decreases increases upto a certain limit and then becomes constant increases continuously decreases continuously increases upto a certain limit and then decreases increases upto a certain limit and then becomes constant ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Khosla’s theory, the exit gradient in the absence of a downstream cutoff is unity infinity very large unity infinity very large ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When surface of transpiration is submerged under water, then potential evapotranspiration is equal to evapotranspiration equal to or less than evapotranspi-ration much less than evapotranspiration much more than evapotranspiration equal to evapotranspiration equal to or less than evapotranspi-ration much less than evapotranspiration much more than evapotranspiration ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Seepage through embankments in an earthen dam is controlled by relief wells drain trenches provision of downstream berms drainage filters relief wells drain trenches provision of downstream berms drainage filters ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering F.S.L. of a canal at its head with respect to parent channel is kept At the same level 15 cm lower 15 cm higher None of these At the same level 15 cm lower 15 cm higher None of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In gravity canals, F.S.L. is Always at the ground level Only a few cm above the ground level Always below the ground level Generally 4 to 5 metres above the ground level Always at the ground level Only a few cm above the ground level Always below the ground level Generally 4 to 5 metres above the ground level ANSWER DOWNLOAD EXAMIANS APP