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Flow mass curve is also known as :

  • A.Hyetograph
  • B.Bar chart
  • C.Hydrograph
  • D.Ripple diagram

Answer: D

A flow mass curve is also called a Rippl diagram, printed in the paper as 'Ripple diagram'.

The mass curve plots cumulative inflow to a reservoir against time. W. Rippl introduced it in 1883 for finding the storage needed to meet a given demand, which is why it carries his name.

A hyetograph plots rainfall intensity against time, and a hydrograph plots river discharge against time. A bar chart is a general graph, not a name for the mass curve.

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