While deciding the alignment of a proposed canal taking off from a river at B, three alignments of approximately equal lengths are available. These cross a drainages at C₁, C₂ and C₃ where drainage bed levels C₁ > C₂ > C₃, you will provide at site C₃

A. Protection of banks erosion by the waves B. Control of seepage losses C. Strengthening of banks D. All the above

A. Drains B. Inundation canals C. Valley canals D. Contour canals

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