To determine the discharge at a section in a stream from its rating curve, the required data are
i) slope of water surface at the section
ii) stage at the section
iii) current meter readings at the section
The correct answer is

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