Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. does not touch the underside of the supporting structure, the structure so provided, is called Super passage Syphon-aqueduct Aqueduct Syphon Super passage Syphon-aqueduct Aqueduct Syphon ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of the quantity of water stored in the root zone of the crops to the quantity of water actually delivered in the field is known as None of these water application efficiency water use efficiency water conveyance efficiency None of these water application efficiency water use efficiency water conveyance efficiency ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Effective precipitation for a crop may be defined as Total precipitation minus the loss due to evaporation Available water stored in soil within root zone of the crop Total precipitation minus the loss due to infiltration Total precipitation during the crop period Total precipitation minus the loss due to evaporation Available water stored in soil within root zone of the crop Total precipitation minus the loss due to infiltration Total precipitation during the crop period ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering According to Khosla, the exits gradient of surface flow None of these Is independent of the b/d ratio Is independent of the depths of d/s cut off walls Depends upon the b/d ratio None of these Is independent of the b/d ratio Is independent of the depths of d/s cut off walls Depends upon the b/d ratio ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lining of irrigation channels None of these increases the waterlogging area does not change the water logging area decreases the waterlogging area None of these increases the waterlogging area does not change the water logging area decreases the waterlogging area ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is 2V²/√3 R 5V²/2R 3V²/4R 2V²/5R 2V²/√3 R 5V²/2R 3V²/4R 2V²/5R ANSWER DOWNLOAD EXAMIANS APP