Q. In which type of trickling filter very low power is consumed?

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Q. In which type of trickling filter very high power is consumed?

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Q. In which type of trickling filter is nitrogen oxidized?

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Q. When filled which of the following material only nitrogen is removed?

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Q. When filled which of the following material both nitrogen and BOD are removed?

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Q. What is the surface area of the plastic high specific surface area packing material used in trickling filters as the packing medium?

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Q. What is the surface area of the plastic conventional packing material used in trickling filters as the packing medium?

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Q. What is the surface area of the plastic random packing conventional packing material used in trickling filters as the packing medium?

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Q. What is the surface area of the plastic random packing high specific surface area packing material used in trickling filters as the packing medium?

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Q. What is the surface area of the River rock (Small) packing material used in trickling filters as the packing medium?

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Q. What is the surface area of the River rock (Large) packing material used in trickling filters as the packing medium?

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Q. The settling tank which is followed after the Trickling filter has which of the following characteristic?

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Q. What is the maximum reduced concentration of BOD obtained at the outlet of tricking filter?

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Q. High rate filtrations cannot be used for wet weather conditions.

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Q. What is the filter media made of?

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Q. Filter cycle is interrupted for ______

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Q. ________ is shifted to keep an ample space for filtering media to rotate.

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Q. What is the void ratio of filter media?

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Q. The synthetic fibres used are temperature resistant.

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Q. Which of the following is not true in case of closing the top of the vessel?

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