Civil Engineering > GATE 2023 SET-1 > Rainfall-Runoff Analysis
A 12-hour storm occurs over a catchment and results in a direct runoff depth of 100 mm. The time-distribution of the rainfall intensity is shown in the figure (not to scale). The $\phi$-index of the storm is _______ (in mm/hour, rounded off to two decimal places).
Correct : a
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