Irrigation Engineering Effective precipitation for a crop may be defined as Available water stored in soil within root zone of the crop Total precipitation minus the loss due to infiltration Total precipitation minus the loss due to evaporation Total precipitation during the crop period Available water stored in soil within root zone of the crop Total precipitation minus the loss due to infiltration Total precipitation minus the loss due to evaporation Total precipitation during the crop period ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Lining of irrigation channels does not change the water logging area increases the waterlogging area decreases the waterlogging area None of these does not change the water logging area increases the waterlogging area decreases the waterlogging area None of these ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The discharge passing over an ogee spillway is given by (where, L is effective length of spillway crest and H is the total head over the spillway crest including velocity head.) CLH3/2 CHL3/2 CLH5/2 CLH1/2 CLH3/2 CHL3/2 CLH5/2 CLH1/2 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering The main cause of meandering is the extra turbulence generated by the excess of river sediment during floods None of these presence of an excessive bed slope in the river degradation the extra turbulence generated by the excess of river sediment during floods None of these presence of an excessive bed slope in the river degradation 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) R (θ + cot θ) R2 (θ + cot θ) R2 (θ + tan θ) R (θ + tan θ) R (θ + cot θ) R2 (θ + cot θ) R2 (θ + tan θ) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering For the design of major hydraulic structures on the canals, the method generally preferred to, is based on Bligh's theory The relaxation method Electrical analogy method Khosla's method of independent variables Bligh's theory The relaxation method Electrical analogy method Khosla's method of independent variables ANSWER DOWNLOAD EXAMIANS APP