What is the minimum quantity of dissolved oxygen that should be present in the treated sewage?
The temperature of sewage increases. What will be the effect on the dissolved oxygen in sewage?
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The presence of free ammonia in sewage represents _____
The presence of which of the following in sewage indicates nitrogen content before decomposition of sewage?
The type of solids which floats in sewage is ___
Which chemical is used for the titration of waste water for finding its chloride content?
______ is used to find the D.O content of sewage.
The presence of which of the following indicates old pollution?
Imhoff cone is used to measure the ____
The permissible dose of chloride in domestic sewage is _____
14 videos|99 docs|98 tests
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14 videos|99 docs|98 tests
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