| x |
07 |
Explain the basic treatment schemes for surface water and ground water with the respective flow diagrams |
2024, 2023, 2021 |
| x |
|
Analyze pipe network with Hardy Cross method |
2024, 2023, 2021 |
| x |
|
Explain the mechanism of sedimentation and slow sand filtration process |
2023, 2021 |
| x |
|
Determine the length of a single equivalent pipe |
2024, 2023 |
| x |
|
Explain the mechanism of co-precipitation and adsoprtion method for arsenic removal with relevant chemical reactions |
2024, 2023, 2021 |
| x |
|
Why oxidation is used as a pretreatment step for arsenic removal from source water |
2023 |
| x |
|
Explain why chlorination is required in iron and manganese removal plants |
2024, 2023 |
| x |
|
Discuss the aeration-filtration and ion-exchange process for iron and manganese removal from source water |
2024, 2023 |
| x |
|
Explain the limitations of dead end water distribution system |
2024, 2023, 2021 |
| x |
|
How looped distribution system overcome the limitations of dead end water distribution system |
2024, 2023, 2021 |
|
|
Explain the chlorine demands imposed in natural water containing organic matters with relevant chlorination curve and chemical reactions |
2021 |
| x |
|
Why turbidity should be removed from water before applying disinfection process |
2021 |
| x |
|
What factors to be considered for designing and location intake structure for collection of water from water sources |
2021 |
| x |
07 |
Explain the basic principles of coagulation-flocculation and sedimentation process used for water treatment |
2021 |
| x |
|
Discuss about the break-point chlorination process along with its significance in public water supply system |
2021 |
| x |
|
How the limitations of gravity flow system and direct pumping system can be minimized; which system is preferable for developing city and why |
2021 |
|
|
For a gravity flow water supply system, how can you determine the economic dimension of a storage tank; derive along with necessary mathematical expression |
2021 |
| x |
|
Explain the base exchange process for removing hardness from source water |
2024, 2021 |
| x |
|
Explain the limitations of the branched distribution network |
2024 |
| x |
|
How the limitations of branched distribution network be overcome |
2024 |
| x |
|
Briefly describe the carbonate and non-carbonate hardness removal process |
2024 |