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 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be > 1.5 m 1.2 m 1.5 m 0.9 cm > 1.5 m 1.2 m 1.5 m 0.9 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 60 days 10 days 30 days 20 days 60 days 10 days 30 days 20 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.01 0.011 0.013 0.012 0.01 0.011 0.013 0.012 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 1000 kg of sewage contains 0.112 kg in solution Both A and C of above 0.112 kg in suspension 0.225 kg in solution 0.112 kg in solution Both A and C of above 0.112 kg in suspension 0.225 kg in solution ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Citric acid Sulphuric acid Hydrochloric acid Nitric acid Citric acid Sulphuric acid Hydrochloric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
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