Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Nitric acid Hydrochloric acid Citric acid Sulphuric acid Nitric acid Hydrochloric acid Citric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal value of over flow rates for plain primary sedimentation tanks, ranges between 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rational formula for peak drainage discharge, was evolved by Kuichling Fruhling Lloyd David All of these Kuichling Fruhling Lloyd David All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most efficient cross-section of sewers in a combined sewerage system is Circular New egged Parabolic Rectangular Circular New egged Parabolic Rectangular ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of Nitrates Carbon dioxide Sulphates All of these Nitrates Carbon dioxide Sulphates All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Before discharging the foul sewage into rivers, it is generally treated by All listed here Oxidation Screening Sedimentation All listed here Oxidation Screening Sedimentation ANSWER DOWNLOAD EXAMIANS APP
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