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Irrigation Engineering

Irrigation Engineering
To hold hydraulic jumps, baffle walls are provided in

Vertical type falls
English type falls
Montague type falls
Sarda type falls

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Irrigation Engineering
Unit of runoff in M.K.S. system is

metre/sec
cubic metre
square metre
cubic metre/sec

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Irrigation Engineering
The length and width of a meander and also the width of the river, vary roughly as

Square of the discharge
Discharge
Square root of the discharge
Cube of the discharge

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Irrigation Engineering
V and R are the regime mean velocity and hydraulic mean depth respectively in meters. Lacey's silt factor f is

3V²/4R
5V²/2R
2V²/√3 R
2V²/5R

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Irrigation Engineering
Seepage through embankments in an earthen dam is controlled by

drain trenches
relief wells
drainage filters
provision of downstream berms

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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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