Irrigation Engineering If the risk of a flood occurring in the next 10 years is accepted to 10%, then the return period for design should be 1/(1-0.9°10) 1 + (0.9)010 1/(1+ 0.9010) 1 – (0.9)°l0 1/(1-0.9°10) 1 + (0.9)010 1/(1+ 0.9010) 1 – (0.9)°l0 ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Cross regulators in main canals are provided To regulate water supply in the distributaries To overflow excessive flow water None of these To increase water head upstream when a main canal is running with low supplies To regulate water supply in the distributaries To overflow excessive flow water None of these To increase water head upstream when a main canal is running with low supplies ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Fundamental momentum equation for a hydraulic jump, is D₁² + D₂² = (2q/g) × (V₂ - V₁) D₂² - D₁² = (2q/g) × (V - V₂) D₁² - D₂² = (2q/g) × (V₂ - V₁) D₁² - D₂² = (2q/g) × (V₁ - V₂) D₁² + D₂² = (2q/g) × (V₂ - V₁) D₂² - D₁² = (2q/g) × (V - V₂) D₁² - D₂² = (2q/g) × (V₂ - V₁) D₁² - D₂² = (2q/g) × (V₁ - V₂) ANSWER DOWNLOAD EXAMIANS APP
Irrigation Engineering Solution of Laplacian equation in three dimensions d²φ/dx² + d²φ/dy² + d²φ/dz² = 0 of water in a syphon, is done by Method of relaxation Analytical method Khosla's method Unwin's method Method of relaxation Analytical method Khosla's method Unwin's method ANSWER DOWNLOAD EXAMIANS APP
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 evaporation Total precipitation during the crop period Total precipitation minus the loss due to infiltration Available water stored in soil within root zone of the crop Total precipitation minus the loss due to evaporation Total precipitation during the crop period Total precipitation minus the loss due to infiltration 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
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