Irrigation Engineering The main function of a divide wall is to provide smooth flow at sufficiently low velocity control the silt entry in the canal separate the undersluices from weir proper prevent river floods from entering the canal provide smooth flow at sufficiently low velocity control the silt entry in the canal separate the undersluices from weir proper prevent river floods from entering the canal ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As per Lacey’s theory, the silt factor is inversely proportional to average par¬ticle size directly proportional to average par¬ticle size directly proportional to square root of average particle size not related to average particle size inversely proportional to average par¬ticle size directly proportional to average par¬ticle size directly proportional to square root of average particle size not related to average particle size ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after 50 years 250 years 150 years 200 years 50 years 250 years 150 years 200 years ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The field capacity of a soil depends upon Porosity of soil Neither (a) nor (b) Capillary tension in soil Both (a) and (b) Porosity of soil Neither (a) nor (b) Capillary tension in soil Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Silt excluders are constructed on the canal bed downstream of head regulator canal bed upstream of head regulator river bed upstream of head regulator river bed downstream of head regulator canal bed downstream of head regulator canal bed upstream of head regulator river bed upstream of head regulator river bed downstream of head regulator ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by 7RS 11RS 15 RS 4RS 7RS 11RS 15 RS 4RS ANSWER DOWNLOAD EXAMIANS APP
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