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 straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the area of its cross-section, is R (θ + tan θ) R2 (θ + tan θ) R (θ + cot θ) R2 (θ + cot θ) R (θ + tan θ) R2 (θ + tan θ) R (θ + cot θ) R2 (θ + cot θ) 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 Over 100 cumecs 30 to 33 cumecs Over 60 cumecs 30 to 60 cumecs Over 100 cumecs 30 to 33 cumecs ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If B and d are the bed width and depth of a channel in meters, the combined losses due to evaporation and seepage in cumecs per kilometer length of the channel, is (1/50) × (B + d)2/3 (1/200) × (B + d)2/3 (1/150) × (B + d)2/3 (1/100) × (B + d)2/3 (1/50) × (B + d)2/3 (1/200) × (B + d)2/3 (1/150) × (B + d)2/3 (1/100) × (B + d)2/3 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For a catchment area of 120 km2, the equilibrium discharge in m3/hour of an S-curve obtained by the summation of 6 hour unit hydro graph is 0.2 x 106 2.4 xlO6 7.2 xlO6 0.6 x 106 0.2 x 106 2.4 xlO6 7.2 xlO6 0.6 x 106 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering If there are two canals taking off from each flank of a river, then there will be two divide walls and one undersluice one divide wall and two undersluices two divide walls and two undersluices one divide wall and one undersluice two divide walls and one undersluice one divide wall and two undersluices two divide walls and two undersluices one divide wall and one undersluice ANSWER DOWNLOAD EXAMIANS APP
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