Q. What is the velocity of wastewater within the ditch?

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Q. Which of the following process is not adopted in oxidation ditches?

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Q. Aerobic ponds are similar to facultative ponds.

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Q. Natural oxygenation is _______ in aerated ponds while compared to facultative ponds.

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Q. How many types of aerate ponds are present?

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Q. Aerated ponds must be shallow.

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Q. The increased aeration facilitates ________ pathogen removal.

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Q. Which of the following is not true regarding mechanical aeration?

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Q. What is the outlet of TSS in ppm obtained when aerated lagoons are used for treatment?

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Q. What is the ratio of VSS/TSS in ppm obtained when aerated lagoons are used for treatment?

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Q. What is the ratio of VSS/TSS in ppm obtained when partially mixed lagoons treatment are carried out facultatively?

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Q. While designing the aerated lagoon what is the solid retention time considered?

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Q. What is the outlet of TSS in ppm obtained when aerated lagoons are used for treatment?

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Q. While designing the aerated lagoon with solid recycling what is the solid retention time considered on a warm day?

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Q. While designing the aerated lagoon carried out facultatively what is the hydraulic retention time considered?

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Q. What is the minimum depth considered while designing an aerated lagoon?

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Q. Which of the following methods consume the least power?

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Q. Which of the following methods consume the most power?

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Q. The facultative pond functions like a ________

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Q. The surface area of facultative ponds should be small.

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