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Hydrology & Irrigation

Types of Flood Routing

An inflow hyd...

Question

An inflow hydrograph is routed through a reservoir to produce an outflow hydrograph. The peak flow of the inflow hydrograph is $P_{I}$ and the time of occurrence of the peak is $t_{I}$ . The peak flow of the outflow hydrograph is $P_{O}$ and the time of occurrence of the peak is $t_{O}$ . Which one of the following statements is correct?

A

P_{I} < P_{O} & t_{I} > t_{O}

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B

P_{I} > P_{O} & t_{I} > t_{O}

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C

P_{I} < P_{O} & t_{I} < t_{O}

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D

P_{I} > P_{O} & t_{I} < t_{O}

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Solution

The correct option is D $P_{I} > P_{O} & t_{I} < t_{O}$

$P_{I} > P_{O}; t_{I} < t_{O}$

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