Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 0°C 20°C 25°C 15°C 0°C 20°C 25°C 15°C 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 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 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05552 cumec 0.05556 cumec 0.0556 cumec 0.05554 cumec 0.05552 cumec 0.05556 cumec 0.0556 cumec 0.05554 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for Unexpected large scale infiltration of stream water Unexpected increase in the population All of these Under estimates of maximum and average flows Unexpected large scale infiltration of stream water Unexpected increase in the population All of these Under estimates of maximum and average flows ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage is pumped up From basements All listed here From flat areas From low lying areas From basements All listed here From flat areas From low lying areas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Stone ware pipes are Hydraulically efficient because of their smooth interior surface Especially suited to pressure pipes Highly resistant to sulphide corrosion Highly impervious Hydraulically efficient because of their smooth interior surface Especially suited to pressure pipes Highly resistant to sulphide corrosion Highly impervious ANSWER DOWNLOAD EXAMIANS APP
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