Irrigation Engineering

211) Seepage through embankments earthen dam is controlled by

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drain trenches

212) Seepage through foundation in an earthen dam is controlled by providing

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impervious cut off

213) If there are two canals taking off from each flank of a river, then there will be

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two divide walls and two undersluices

214) Generally the weir is aligned at right angles to the direction of the main river current because

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all of the above

215) The most suitable chemical which can be applied to the water surface for reducing evaporation is

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cetyl alcohol

216) The probable maximum flood is

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a flood adopted in all hydraulic structures

217) As per Shield’s criteria for the initiation of bed motion, the entertainment finction is a unique function of

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Shear Reynolds number

218) Which of the following is not a purpose of the drainage gallery

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reduces the cost of structure

219) The most economical central angle of an arch dam is

Discuss in Comment

133°

220) Gibb’s module is a type of

Discuss in Comment

rigid module outlet

Subject Notes

Objective Box

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