Irrigation Engineering If D is the depth of scour below original bed, then the width of launching apron is generally taken as 2.0 D 1.2 D 2.5 D 1.5 D 2.0 D 1.2 D 2.5 D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lining of irrigation channels 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 decreases the waterlogging area increases the waterlogging area None of these 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 (0.99)10 (0.9)00 l-(0.9)100 1 – (0.99)10 (0.99)10 (0.9)00 l-(0.9)100 1 – (0.99)10 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A raingauge should preferably be fixed in an open space in a closed space near the building under the tree in an open space in a closed space near the building under the tree ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Methyl alcohol Ethyl alcohol Cetyl alcohol Butyl alcohol Methyl alcohol Ethyl alcohol Cetyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The ratio of average values of shear stresses produced on the bed and the banks of a channel due to flowing water is greater than 1 equal to zero equal to 1 less than 1 greater than 1 equal to zero equal to 1 less than 1 ANSWER DOWNLOAD EXAMIANS APP
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