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Choose the correct sentence about information available from hydrograph among the following options?(a) The mean annual runoff or mean runoff each week of the year(b) Total volume at that instant, as the area under hydrograph indicates the force of water during the duration(c) Rate of flow at any particular time during the duration period(d) Mean runoff for each monthThis question was addressed to me by my school teacher while I was bunking the class.Asked question is from Hydrographs in chapter Hydro Electric Power Plant of Energy Engineering

Answer»

Right choice is (d) Mean runoff for each month

To explain: Mean runoff for each month is available. As compared to all other option, they would be- i) The mean annual runoff or mean runoff each month of the YEAR. ii) TOTAL VOLUME at that instant, as the area under hydrograph INDICATES the volume of water during the duration. iii) Rate of flow at any instant during the duration period.


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