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Irrigation Engineering

Irrigation Engineering
For standing crops in undulating sandy fields, the best method of irrigation, is

Check method
Sprinkler irrigation
Free flooding
Furrow method

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Irrigation Engineering
The ratio of rate of change of the discharge of an outlet to the rate of change of the discharge of distributing channel is called

setting
flexibility
sensitivity
proportionality

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

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

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Irrigation Engineering
Optimum depth of kor watering for rice is

215 mm
165 mm
135 mm
190 mm

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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
According to G.W. Pickles the effect of confining the flood water of a river between levee, is to increase

Maximum discharge
Surface slope of streams above the levied portion
Rate of flood wave
Water surface elevation during floods

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