Q. What is the most common used coagulant?

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Q. What is the intermediate zone composed of in aerobic-anaerobic ponds?

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Q. Nitrification efficiency is significantly suppressed as the temperature is _________

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Q. __________ is a process which involves further removal of the nitrogen.

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Q. In rotating biological contractors, what percent of corrugated plastic discs are submerged?

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Q. What is the method of treatment used when the TSS in the sample is high?

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Q. Which type of treatment does clarification fall in?

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Q. Which of these remove coarse materials?

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Q. Which type of treatment is the coarse screen?

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Q. Tube settlers are classified as which type of treatment?

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Q. Activated Carbon is classified as which type of treatment?

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Q. Which of these is used to remove odour?

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Q. Reverse Osmosis is which type of treatment?

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Q. Which is usually prior to reverse osmosis?

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Q. What does zero discharge actually refer to?

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Q. Primary sludge includes __________

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Q. Secondary sludge includes treated sewage sludge.

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Q. Sludge treatment helps is reducing treatment costs.

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Q. Which of the following methods are used in rural communities?

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Q. From which of the following methods can toxic chemicals be removed?

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