Waste Water Engineering
Kjeldahl nitrogen is a mixture of

All listed here
Nitrogen and organic nitrogen
Organic nitrogen and ammonia
Ammonia and nitrogen

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Waste Water Engineering
Dilution method of disposing of sewage, is not preferred to

When diluting water has high dissolved oxygen content
When sewage is fresh
When the diluting water is having flow currents
When diluting water is used for water supply near the point of sewage disposed

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