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) × (V₁ - V₂)
D₁² + D₂² = (2q/g) × (V₂ - V₁)

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Irrigation Engineering
Pick up the correct statement from the following sentence

Escapes are essential safety valves in a canal system
The escapes must lead the surplus water to natural drainages
The escapes are aligned to take advantage of contours of lower values
All of these

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