A land is known as waterlogged
A. when the permanent wilting point is reached
B. when gravity drainage has ceased
C. capillary fringe reaches the root zone of plants
D. none of the above
Answer: Option C
This Question Belongs to Civil Engineering >> Irrigation Engineering
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Finally formed berms in canals are provided for
A. Protection of banks erosion by the waves
B. Control of seepage losses
C. Strengthening of banks
D. All the above
Canals constructed for draining off water from water logged areas, are known
A. Drains
B. Inundation canals
C. Valley canals
D. Contour canals
A hydroelectric scheme operating under a head of 80 m will be classified as
A. low head scheme
B. medium head scheme
C. high head scheme
D. none of the above
A. Low sodium water
B. Medium sodium water
C. High sodium water
D. Very high sodium water
Option B will be the correct answer. Capillary water can be used by the plants for its growth.