Define: Evapo- transpiration, Precipitation, Infiltration
[3 marks]What is a spillway? Explain functions of spillway.
[4 marks]Discuss the various methods of determining the average depth of rainfall over a catchment.
[7 marks]Explain the various forms of precipitation.
[3 marks]Describe the various factors affecting run-off from a basin area.
[4 marks]Arain gauge recorded the following accumulated rainfall during the storm. Draw the mass rainfall curve and the hyetograph. Time 10.00 10.15 10.30 10.45 11.00 11.15 11.30 11.45 12.00 (AM) Accu. 0.0 8.5 16.0 27 37 48 62 80 90 Rainfall (mm)
[7 marks]Astorm with a 15.0 cm precipitation produced a direct runoff of 8.7 cm. The time distribution of the storm is as follow. Estimate the w-index and ϴ-index. Time 1 2 3 4 5 6 7 from start(hr) Increment 0.6 1.35 2.25 3.45 2.7 2.4 1.5 0.75 al rainfall (cm)
[8 marks]Give the difference between Specific Yield and Specific Retention for ground water.
[3 marks]Describe how to obtain the unit hydrograph from a flood hydrograph resulting from a storm of certain duration.
[4 marks].Design a tube well for the following data: Yield required=0.081 cumec; Thickness of confined aquifer=30m; Radius of circle of influence=300m; Permeability coefficient=50m/day; Drawdown=5.1m.
[7 marks]Enlist the different types of aquifers. Explain any one aquifer with neat sketch.
[3 marks]State the Darcy’s Law. How to measure the co efficient of permeability by use of Darcy’s Law.1
[4 marks]Ordinates of 8 hours UH for a drainage basin are given below. Obtain a 24 hr UH by analytical method. Time (Hr) Ordinates of Time (Hr) Ordinates of 8hr UH 8hr UH 0 0.0 40 79.0 4 5.5 44 42.0 8 13.5 48 31.0 12 26.5 52 22.0 16 45.0 56 12.0 20 82.0 60 8.5 24 162.0 64 5.5 28 240.0 68 2.5 32 231.0 72 1.0 36 165.0 76 0
[7 marks]Differentiate between Low head power plants and High head power plants.
[3 marks]Write short note on Gravity Dam and Earth Dam.
[4 marks]Explain with a neat sketch the various zones of storage in a reservoir.
[7 marks]Discuss the various factors affecting for the site selection of a dam.
[3 marks]What are the procedures for determining the useful life of reservoir?
[4 marks]Explain briefly all components of a hydroelectric power plant with neat sketch.
[7 marks]Write the short note on Levees and Flood walls.
[3 marks]Enlist the various types of Drought. Explain major causes of drought.
[4 marks]Explain theoretical probability distribution Gumbel’s method.
[7 marks]Describe in brief Flood damage analysis.
[3 marks]What is mean by Water harvesting? Explain any one method of water harvesting.
[4 marks]Describe the Flood routing with neat sketch.
[7 marks]