Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Butyl alcohol Methyl alcohol Ethyl alcohol Cetyl alcohol Butyl alcohol Methyl alcohol Ethyl alcohol Cetyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If it rains between 2 P.M. and 3 P.M. and the entire basin area just starts contributing water at 3 P.M. to the outlet, then time of concentration will be 60 minutes 15 minutes 30 minutes 20 minutes 60 minutes 15 minutes 30 minutes 20 minutes ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is R (θ + tan θ) 2R (θ + tan θ) 2R (θ + cos θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + tan θ) 2R (θ + cos θ) R (θ + cos θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering A river is said to be of Meandering type if it flows in sinuous curve Degrading type if it cuts its bed to a certain slope All of these Aggrading type if it builds up its bed to a certain slope Meandering type if it flows in sinuous curve Degrading type if it cuts its bed to a certain slope All of these Aggrading type if it builds up its bed to a certain slope ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering As compared to gravity dams, earthen dams require sound rock foundations are less susceptible to failure require less skilled labour are costlier require sound rock foundations are less susceptible to failure require less skilled labour are costlier ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering In a concrete canal the approximate permissible velocity of water should not exceed 2 m/sec 1 m/sec 1.5 m/sec 0.5 m/sec 2 m/sec 1 m/sec 1.5 m/sec 0.5 m/sec ANSWER DOWNLOAD EXAMIANS APP
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