Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Methyl alcohol Butyl alcohol Ethyl alcohol Cetyl alcohol Methyl alcohol Butyl alcohol Ethyl alcohol Cetyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lining of irrigation channels decreases the waterlogging area increases the waterlogging area None of these does not change the water logging area decreases the waterlogging area increases the waterlogging area None of these does not change the water logging area ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Attracting groynes are built Inclined down stream Inclined up stream Perpendicular to the bank None of these Inclined down stream Inclined up stream Perpendicular to the bank None of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The field capacity of a soil is 25%, its permanent wilting point is 15% and specific dry unity weight is 1.5. If the depth of root zone of a crop, is 80 cm, the storage capacity of the soil, is 14 cm 10 cm 8 cm 12 cm 14 cm 10 cm 8 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If H and d are the water depth and drop in the bed level at a Sarda fall, the width B of the trapezoidal crest, is given by B = 0.44 √(H + d) B = 0.33 √(H + d) B = 0.55 √(H + d) B = 0.22 √(H + d) B = 0.44 √(H + d) B = 0.33 √(H + d) B = 0.55 √(H + d) B = 0.22 √(H + d) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering When a canal flowing under pressure is carried below a natural drainage such that its F.S.L. doesnot touch the underside of the supporting structure, the structure so provided, is called Aqueduct Syphon-aqueduct Syphon Super passage Aqueduct Syphon-aqueduct Syphon Super passage ANSWER DOWNLOAD EXAMIANS APP
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