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Irrigation Engineering

Irrigation Engineering
For the stability of a structure against seepage pressure according to Khosla's creep theory, the critical gradient is

Zero
0.25
0.5
1

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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 + cot θ)
R2 (θ + cot θ)
R (θ + tan θ)
R2 (θ + tan θ)

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Irrigation Engineering
Which of the following is a flexible outlet ?

None of these
submerged pipe outlet
Gibb’s outlet
Kennedy’s gauge outlet

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Irrigation Engineering
The water utilizable by plants is available in soils mainly in the form of

gravity water
hydroscopic water
capillary water
chemical water

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Irrigation Engineering
The width of a dowla is generally kept between 30 to 60 cm and its height above the road level should invariably be more than

30 cm
40 cm
20 cm
10 cm

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Irrigation Engineering
Fundamental momentum equation for a hydraulic jump, is

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

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