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 2R (θ + tan θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + cos θ) 2R (θ + tan θ) R (θ + cos θ) R (θ + tan θ) 2R (θ + cos θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The most suitable chemical which can be applied to the water surface for reducing evaporation is Ethyl alcohol Methyl alcohol Cetyl alcohol Butyl alcohol Ethyl alcohol Methyl alcohol Cetyl alcohol Butyl alcohol ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The measure to remove water logging of land, is To increase outflow from the ground water reservoir Neither (a) nor (b) To reduce percolation from canals and water courses Both (a) and (b) To increase outflow from the ground water reservoir Neither (a) nor (b) To reduce percolation from canals and water courses Both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The drainage water intercepting the canal can be disposed of by passing the canal below the drainage in super passage and canal syphon aqueduct and super passage aqueduct and syphon aqueduct level crossing super passage and canal syphon aqueduct and super passage aqueduct and syphon aqueduct level crossing ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If V₀ is the critical velocity of a channel, its silt transporting power, according to Kennedy, is proportional to V₀5/2 V₀7/2 V₀1/2 V₀3/2 V₀5/2 V₀7/2 V₀1/2 V₀3/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For an annual flood series arranged in descending order of magnitude, the return for a magnitude listed at position period m in a total data N is (N+l)/m N/(m+l) m/N m/(N+l) (N+l)/m N/(m+l) m/N m/(N+l) ANSWER DOWNLOAD EXAMIANS APP