Waste Water Engineering The normal values of over flow rates for sedimentation tanks using coagulant, ranges between 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The asbestos cement sewers are All of these Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid Light in weight All of these Not structurally strong to bear large compressive stress Susceptible to corrosion by sulphuric acid Light in weight 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 Sulphuric acid Hydrochloric acid Nitric acid Citric acid Sulphuric acid Hydrochloric acid Nitric acid Citric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on Bottom side Top side All sides Horizontal side Bottom side Top side All sides Horizontal side ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a peak discharge of 0.0157 cumec, with a velocity of 0.9 m/sec, the diameter of the sewer main, is 10 cm 15 cm 18 cm 12 cm 10 cm 15 cm 18 cm 12 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Consume organic matter as their food Flourish in the presence of free oxygen All of these Oxidise organic matter in sewage Consume organic matter as their food Flourish in the presence of free oxygen All of these Oxidise organic matter in sewage ANSWER DOWNLOAD EXAMIANS APP
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