Q. 'COD' test is carried out to determine pollutional strength of

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Q. Which is first stage of waste treatment plant?

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Q. 'turbidity' can be measured through

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Q. What is main contamination in water?

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Q. What is main anthropogenic activity that causes radioactive materials?

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Q. Tertiary treatment of sewage is also known as

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Q. 'Turbidity' in sewage is caused by

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Q. Man-made radiations include:

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Q. Chlorophenols are toxic to bacteria and

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Q. A radiation dose can cause:

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Q. Sources which can be readily identified at a single location is known as

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Q. Sources, in which locations cannot be indentified is known as

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Q. Disposal of sewage and industrial effluents into water bodies, resulting in contamination of

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Q. What are hazardous traits ?

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Q. What oxidized in second stage of aerobic decomposition?

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Q. 'Nitrogen' is an essential constituents of

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Q. Larger amount of dissolved oxygen in water, faster will be the

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Q. What are kinds of water pollution ?

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Q. What does total solid include ?

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Q. Polychlorinated bipheyls are stable, insoluble in water and soluble in

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