Irrigation Engineering If the irrigation efficiency is 80%, conveyance losses are 20% and the actual depth of watering is 16 cm, the depth of water required at the canal outlet, is 25 cm 10 cm 20 cm 15 cm 25 cm 10 cm 20 cm 15 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The maximum rainfall depth of 300 mm in 24 hours has a return period of 100 years. The probability of 24 hours rainfall equal to or greater than 300 mm occurring at least once in 10 years is given by l-(0.9)100 (0.99)10 1 – (0.99)10 (0.9)00 l-(0.9)100 (0.99)10 1 – (0.99)10 (0.9)00 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The field capacity of a soil depends upon Capillary tension in soil Both (a) and (b) Porosity of soil Neither (a) nor (b) Capillary tension in soil Both (a) and (b) Porosity of soil Neither (a) nor (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the intensity of rainfall is more than the infiltration capacity of soil, then the infiltration rate will be equal to rate of rainfall more than rate of rainfall equal to infiltration capacity more than infiltration capacity equal to rate of rainfall more than rate of rainfall equal to infiltration capacity more than infiltration capacity ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The depth of rice root zone, is 50 cm 80 cm 90 cm 60 cm 50 cm 80 cm 90 cm 60 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When surface of transpiration is submerged under water, then potential evapotranspiration is equal to evapotranspiration much more than evapotranspiration equal to or less than evapotranspi-ration much less than evapotranspiration equal to evapotranspiration much more than evapotranspiration equal to or less than evapotranspi-ration much less than evapotranspiration ANSWER DOWNLOAD EXAMIANS APP