Water Resources Engineering and Hydrology — Winter 2021

What is Hydrologic Cycle? Write its applications.

Write the assumptions and Limitations of unit hydrograph theory.

Discuss the engineering measures for flood control.

What is Infiltration? Discuss the factors affecting the infiltration rate.

Explain the use of Float type rain gauge.

Astorm with a 16.0 cm precipitation produced a direct runoff of 8.9 cm. The time distribution of the storm is as follows. Estimate the ɸ- index of the storm. Time(hr.) 1 2 3 4 5 6 7 Incremental 0.7 1.36 2.30 3.48 2.8 2.6 2.0 0.76 rainfall (cm)

The ordinates of 4-hour unit hydrograph are given below. Time in Hours Ordinates m3/sec Find the ordinates of 8-hour unit hydrograph for the same basin.

Define the following terms 1) Percolation 2) Base flow 3) W-index

Discuss with neat sketch, the various storage zones of reservoir.

Briefly discuss the components of a hydropower project.

Define the following terms 1) Density currents. 2) Trap efficiency. 3) Useful life of reservoir.

Explain Darcy’s law and give its limitations

Discuss the various methods of controlling sedimentation of reservoirs.

Define the following terms 1) Aquifer 2) Aquiclude 3) Aquifuge

Differentiate between Runoff River plant and storage plant.

Explain how the elevation area curve and elevation capacity curve are prepared? What is the use of this curve in reservoir planning?

Explain Design flood and Time of Concentration

Differentiate between Confined aquifer and Unconfined aquifer.

Explain Recuperation test to estimate the safe yield of an open well.1

Discuss channel routing in detail.

Discuss water resources planning and its objectives.

Discuss the measures to be adopted for water conservation and augmentation in water scarce regions.

Discuss the factors affecting runoff in a catchment area

Explain various methods of estimating floods.

What is S-hydrograph? How it is constructed? What ae its uses?