Waste Water Engineering Oxidation process results in the formation of Nitrates Sulphates All of these Carbon dioxide Nitrates Sulphates All of these Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a trickling filter Filtration process is used Biological action is used Both A and B Neither A nor B Filtration process is used Biological action is used Both A and B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewerage system consists of All of these Lateral sewer Branch sewer House sewer All of these Lateral sewer Branch sewer House sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Bio-chemical oxygen demand (BOD) for the first 20 days in generally referred to First stage demand All of these Initial demand Carbonaceous demand First stage demand All of these Initial demand Carbonaceous demand ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Carbon dioxide Methane Hydrogen sulphide Oxygen Carbon dioxide Methane Hydrogen sulphide Oxygen ANSWER DOWNLOAD EXAMIANS APP
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