--- Created: 2025/11/04 13:02 --- | Check | Topic | Question | Year Appeared | | ----- | --------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------- | ------------- | | x | Water Requirement & Demand | Total water demand including/excluding fire demand | 2023, 2024 | | | Water Requirement & Demand | Factors to be considered in per capita water consumption | 2023 | | | Fire Demand | Factors to be considered in planning fire water supply system | 2023, 2024 | | | Sources of Water Supply | Advantages of ground water over surface water as a source of water supply system | 2023, 2024 | | | Groundwater Problems | List the impurities generally present in GW | 2024 | | x | Well Hydraulics | How cone of depression is created during pumping of well | 2023 | | x | Well Hydraulics | Deduce a mathematical expression for the yield of an Artesian well | 2023 | | x | Well Design | List the steps involved in a tubewell design | 2023 | | | Well Design | Differentiate between naturally developed well and gravel packed well | 2023 | | x | Well Hydraulics | Determine co-efficient of permeability | 2023 | | | Pumps and Pumping | Differentiate between centrifugal pump and reciprocating pump | 2023 | | x | Well Installation & Construction | List down the methods of drilling of a tubewell and briefly discuss the percussion method | 2023 | | | Pumps and Pumping | Calculate capacity of pump | 2023 | | | Alternative Water Supply | Describe the working principles of pond sand filter. | 2023 | | | Common Groundwater Supply Systems | Differentiate between working priciple of Tara Hand pump and No 6 Hand pump tubewell | 2023 | | | Water Loss Control | How water loss in pipelines can be identified? or, Briefly discuss about losses in water pipelines | 2023, 2024 | | | Water Loss Control | What measures you propose to reduce apparent loss | 2023 | | | Alternative Water Supply | Calculate the size of storage tank | 2023, 2024 | | | Population Prediction | Explain why population projection is necessary in the design of public water supply system | 2024 | | | Population Prediction | Recommend with reasoning a population projection method \[location given\] | 2024 | | | Water Requirement & Demand | Explain hourly variation of water demand with diagram | 2024 | | | Groundwater Problems | Explain the problems associated in GW development in Bangladesh | 2024 | | | Well Hydraulics | Explain the hydraulics of GW flow towards well | 2024 | | | Well Hydraulics | Differentiate between steady flow in a confined aquifer and in an unconfined aquifer | 2024 | | | Well Hydraulics | Estimate transmissivity of aquifer and drawdown of the pumping well | 2024 | | | Common Groundwater Supply Systems | Enumerate the basic differences among shallow, intermediate and deep tubewell | 2024 | | | Common Groundwater Supply Systems | Suggest types of tubewell \[different levels are given\] | 2024 | | | Pumps and Pumping | Explain the characteristics curve of pump with diagram | 2024 | | | Pumps and Pumping | Differentiate between submersible pump and air lift pump | 2024 | | | Well Development & Maintenance | Briefly discuss the methods of well development and well maintenance | 2024 | | | Pumps and Pumping | Design transmission main and pumping unit | 2024 | | | Alternative Water Supply | Explain the justification for using ranwater harvesting and PSF as an alternative source of drinking water with problems and benefits | 2024 | | | Water Loss Control | Interpret the term of "Non-Revenue" water | 2024 | | | Groundwater Problems | Discuss the GW depletion scenario and the reason behind it in Dhaka city | 2024 |