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Water Resources Engineering and Hydrology

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be________________?

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be________________?

A. 50 mm
B. 60 mm
C. 90 mm
D. 140 mm

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be________________? Read More »

Irrigation, Water Resources Engineering and Hydrology

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of_________________?

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of_________________?

A. same duration only
B. same and shorter duration
C. same and longer duration
D. any duration

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of_________________? Read More »

Irrigation, Water Resources Engineering and Hydrology

If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by_______________?

If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by_______________?

A. T = kd
B. T = k/d
C. T= Vkd
D. k= VTd

If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by_______________? Read More »

Irrigation, Water Resources Engineering and Hydrology

The useful storage is the volume of water stored in the reservoir between________________?

The useful storage is the volume of water stored in the reservoir between________________?

A. minimum pool level and maximum pool level
B. minimum pool level and normal pool level
C. normal pool level and maximum pool level
D. river bed and minimum pool level

The useful storage is the volume of water stored in the reservoir between________________? Read More »

Irrigation, Water Resources Engineering and Hydrology

For a flood control reservoir, the effective storage is equal to_______________?

For a flood control reservoir, the effective storage is equal to_______________?

A. useful storage – valley storage
B. useful storage + surcharge storage
C. useful storage + surcharge storage + valley storage
D. useful storage + surcharge storage -valley storage

For a flood control reservoir, the effective storage is equal to_______________? Read More »

Irrigation, Water Resources Engineering and Hydrology

The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after_________________?

The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after_________________?

A. 50 years
B. 150 years
C. 200 years
D. 250 years

The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after_________________? Read More »

Irrigation, Water Resources Engineering and Hydrology