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Pollution Control Practice Test: Wastewater Sampling, Analysis & Treatment
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Wastewater Sampling and Analysis topics include: Biological and chemical oxygen demand, total oxygen demand, inorganic substances determination and dissolved oxygen. Wastewater sampling and analysis involves collecting and analyzing water samples to confirm or rule-out contamination. Here are some aspects of wastewater sampling and analysis: Sampling: Wastewater sampling is the process of selecting a small portion of water or wastewater to determine the characteristics of an entire batch. There are two types of sampling techniques: grab sampling and composite sampling: Grab sampling:... Show more
Pollution Control Practice Test: Wastewater Sampling, Analysis & Treatment
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25 Questions

1. What is the minimum depth of water to be kept in the oxidation pond?
2. The air is dissolved in water or wastewater by natural means.
3. Oxidation pond is ineffective in removing pathogenic bacteria.
4. What does DAF stand for?
5. Which bioreactor is designed for fermentation?
6. In which type of trickling filter very high power is consumed?
7. The ions with opposite charge can be exchanged.
8. The amount of pressure to be applied depends on ______
9. Calculate the flow of backwash pump required for the activated carbon filter for the following details.
Flow: 2500 m3/h.
Rise Velocity: 15m/h
Backwash pump velocity: 24 m/h
10. While designing the demineralisation plant what is considered as the weak acidic cation load?
11. For rock type low filtration rate trickling filters what would be depth assumed while designing it?
12. What is the quality of Organic content obtained in the effluent by an activated carbon filter?
13. Aerated ponds must be shallow.
14. In case along with silica, there is high content in sulphide and chloride what should be used?
15. While designing the aerated lagoon what is the solid retention time considered?
16. When the hardness and alkalinity are around 30% what should be used?
17. What is the surface area of the plastic high specific surface area packing material used in trickling filters as the packing medium?
18. What is the preferred regenerant in case of anion exchanger?
19. In bubble column bioreactor, the flow rate of air/ gas influences the performance of oxygen transfer.
20. While designing the demineralisation plant what is considered as the strong basic anion load?
21. Reverse osmosis helps in mineralizing water.
22. What is the tank water depth?
23. What is the other name for reject stream?
24. What is the ratio of VSS/TSS in ppm obtained when partially mixed lagoons treatment are carried out facultatively?
25. What is the maximum reduced concentration of BOD obtained at the outlet of tricking filter?