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Irrigation Engineering

Irrigation Engineering
Canals constructed for draining off water from water logged areas, are known

Contour canals
Valley canals
Drains
Inundation canals

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Irrigation Engineering
If the optimum depth of kor watering for a crop is 15.12 cm, the outlet factor for the crop for four week period in hectares per cumec, is

1600
1500
1700
1400

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Irrigation Engineering
The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are
i) Water pressure
ii) Self weight
iii) Uplift
iv) Pressure due to earthquake
The correct answer is

(i), (ii) and (iii)
(i), (ii), (iii) and (iv)
Only (ii)
(i), (ii) and (iv)

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Irrigation Engineering
If average particle size of the silt in millimeters is m, the Lacey's silt factor f is proportional to

m1/2
m3
m1/3
m2/3

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Irrigation Engineering
Which of the following canal structures is used to remove surplus water from an irrigation channel into a natural drain ?

canal outlet
canal regulator
canal fall
canal escape

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Irrigation Engineering
The crest level of a canal diversion head work, depends upon

All listed here
Pond level
F.S.L. of the canal
Discharge perimeters

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