Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Cetyl alcohol Methyl alcohol Ethyl alcohol Butyl alcohol Cetyl alcohol Methyl alcohol Ethyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A minimum of 90 cm free board is provided if the discharge in the canal is between Over 60 cumecs 30 to 60 cumecs 30 to 33 cumecs Over 100 cumecs Over 60 cumecs 30 to 60 cumecs 30 to 33 cumecs Over 100 cumecs 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 8 cm 10 cm 12 cm 14 cm 8 cm 10 cm 12 cm 14 cm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As compared to crest of the normal portion of the weir, the crest of the under sluice portion of weir is kept at same level any of the above depending on the design lower level higher level same level any of the above depending on the design lower level higher level ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The normal annual precipitation at stations X, A, B and C are 700 mm, 1000 mm, 900 mm and 800 mm respectively. If the storm precipitation at three station A, B and C were 100 mm, 90 mm and 80 mm respectively, then the storm precipitation for station X will be 70mm 105 mm 90 mm 80mm 70mm 105 mm 90 mm 80mm ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The uplift pressure on the face of a drainage gallery in a dam is taken as average of hydrostatic pressure at toe and heel hydrostatic pressure at toe None of these two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel average of hydrostatic pressure at toe and heel hydrostatic pressure at toe None of these two-third of hydrostatic pressure at toe plus one-third of hydrostatic pressure at heel ANSWER DOWNLOAD EXAMIANS APP
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