When the outflow from a storage reservoir is uncontrolled as in a freely operating spillway, the peak of outflow hydrograph occurs at

a point, before the inter-section of the inflow and outflow hydrographs

at point of inter-section of the inflow and outflow hydrographs

a pount, after the inter-section of the inflow and outflow hydrographs

When the outflow from a storage reservoir is uncontrolled as in a free

1.	When the outflow from a storage reservoir is uncontrolled as in a freely operating spillway, the peak of outflow hydrograph occurs at
A.	at point of inter-section of the inflow and outflow hydrographs
B.	a pount, after the inter-section of the inflow and outflow hydrographs
C.	the tail of inflow hydrographs
D.	a point, before the inter-section of the inflow and outflow hydrographs
Answer» D. a point, before the inter-section of the inflow and outflow hydrographs

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When the outflow from a storage reservoir is uncontrolled as in a freely operating spillway, the peak of outflow hydrograph occurs at

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