Civil Engineering :: Irrigation Engineering
- The minimum size of stone that will remain at rest in a channel of longitudinal slope S and hydraulic mean depth R is given by
- Generally the weir is aligned at right angles to the direction of the main river current because
- In a Sarda type fall, the rectangular crest, may be used for discharge up to
- The meander pattern of a river is developed by
- Pick up the correct statement from the following
- The sinuosity of a meander is the ratio of
- If the straight sides of a triangular section of a lined canal with circular bottom of radius R, make an angle θ with horizontal, the perimeter of the canal is
- An aggrading river is a
- The shape of recession limb of a hydrograph depends upon
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A.
Approach of the water line in a flumed channel section should not be steeper than 22½° |
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B.
Departure of the water line from a flumed channel section should not be steeper than 30° |
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C.
Approach of the water line should not be steeper than 30° and departure line not steeper than 22½° in a flumed channel section |
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D.
Approach and departure of the water line in a flumed channel section, should not be steeper than 22½° |