Q. Toxic chemicals are removed from liquid sewage by _______

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Q. Reducing the sludge volume increases _______

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Q. Which is the first step in the sludge treatment process?

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Q. What is the percentage of thickness that can be achieved for primary sludge?

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Q. What is the percentage of thickness that can be achieved for secondary sludge?

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Q. What is the percentage of thickness that the sludge should have to undergo additional treatment?

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Q. Out of the following methods which provide uniform dewatering?

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Q. The usage of which type of pump results in less wear and tear while pumping the sludge?

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Q. The cyclone gritter removes the grit particles based on which of the below mentioned phenomenon?

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Q. Primary sludge constitutes which of the following?

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Q. Secondary sludge constitutes which of the following?

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Q. Advanced waste water sludge constitutes which of the following?

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Q. To remove 1% primary sludge which of the following size of mesh of a cyclone gritter is used?

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Q. To remove 2% primary sludge which of the following size of mesh of a cyclone gritter is used?

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Q. To remove 3% primary sludge which of the following size of mesh of a cyclone gritter is used?

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Q. Which of the following methods is used for stabilization of the sludge?

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Q. Sludge is composed of liquid components alone.

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Q. How many types of sludge are present?

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Q. _______ is a term used for reuse of sewage sludge.

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Q. Biosolids are the inorganic wastewater solids.

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