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PSC Civil Engg: Hydrology Quiz 7

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Question 1

The following figure shows the hyetograph of a 3-hr storm. The surface runoff for the event is estimated to be 38 mm. The -index for the event is ___________mm/hr.
Description: E:\Gate\Gate-CE-Civil\11_Hydro-Irrigation_BLok_files\image051.png

Question 2

A wide channel is 1m deep and has a velocity of flow, V, as 2.13 m/s. If a disturbance is caused, an elementary wave can travel upstream with a velocity of

Question 3

The relationship among specific yield (S ­y), specific retention (Sr) and porosily (η) of an aquifer is

Question 4

A deflecting ‘Groyones’ in a river is

Question 5

In reservoirs with an uncontrolled spillway, the peak of the plotted outflow hydrograph
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Jun 11ESE & GATE CE