Q. What is the average surface area of one gram of carbon?

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Q. For which of the following activated carbon is not used?

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Q. _______ stores natural gas.

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Q. What is the range of bonding energies of carbon?

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Q. What is the minimum temperature required for carbonization?

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Q. Calculate the area of the activated carbon filter for the following details.

Flow: 2000 m³/h.
Rise Velocity: 15m/h

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Q. Calculate the backwash pump required for the activated carbon filter for the following details.

Flow: 1000 m³/h.
Rise Velocity: 15m/h

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Q. What is the quality of Organic content obtained in the effluent by an activated carbon filter?

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Q. What is the quality of Turbidity obtained in the effluent by an activated carbon filter?

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Q. Which of these are not removed by an activated carbon filter?

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Q. Calculate the backwash water volume for the activated carbon filter for the following details.

Net Flow: 3000 m³/h.
Rise Velocity: 15m/h

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Q. 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

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Q. Phosphorus is one of the responsible factors for eutrophication.

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Q. What is the percentage of sludge in phosphorus removal by chemical precipitation?

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Q. What is the amount of phosphorus present in municipal wastewater?

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Q. Phosphorus is the main component of synthetic detergents.

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Q. What is the average phosphorus contribution per person per day?

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Q. What is the phosphorus available for a biological process called?

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Q. ________ undergo hydrolysis and revert to the orthophosphate forms.

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Q. How much amount of phosphorus is removed by secondary treatment?

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