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The unit hydrographs can be successfully applied to basin areas of what sq km?(a) 15000 sq km(b) 10000 sq km(c) 3000 sq km(d) 25000 sq kmThe question was posed to me by my college professor while I was bunking the class.Question is taken from Hydrographs topic in portion Hydro Electric Power Plant of Energy Engineering

Answer»

Right option is (d) 25000 SQ KM

To explain: The unit hydrographs can be applied successfully to basin areas as large as 25000 sq km. provided distribution patterns are classified into different types and unit hydrographs are developed for each TYPE it is always PREFERABLE to divide the large basin into sub-areas, UTILIZE hydrographs for each sub area independently and combine the resulting hydrographs together.



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