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Irrigation Engineering

Irrigation Engineering
Which of the following canal outlets maintains a constant discharge ?

flexible outlet
non-modular outlet
rigid module
None of these

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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

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Irrigation Engineering
If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by

T= Vkd
k= VTd
T = k/d
T = kd

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Irrigation Engineering
F.S.L. of a canal at its head with respect to parent channel is kept

15 cm higher
At the same level
None of these
15 cm lower

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Irrigation Engineering
Fundamental momentum equation for a hydraulic jump, is

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

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Irrigation Engineering
In a Sarda type fall, the rectangular crest, may be used for discharge upto

6 cumecs
20 cumecs
10 cumecs
14 cumecs

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