Waste Water Engineering When drainage to sewage ratio is 20, the peak dry weather flow is Slightly more than 5% of the design discharge None of these 20% of the design discharge Slightly less than 5% of the design discharge Slightly more than 5% of the design discharge None of these 20% of the design discharge Slightly less than 5% of the design discharge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is All of these Carbondioxide Methane Hydrogen sulphide All of these Carbondioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage is pumped up From low lying areas From basements All listed here From flat areas From low lying areas From basements All listed here From flat areas ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic bacterias Oxidise organic matter in sewage Flourish in the presence of free oxygen Consume organic matter as their food All of these Oxidise organic matter in sewage Flourish in the presence of free oxygen Consume organic matter as their food All of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 90 days 30 days 60 days 15 days 90 days 30 days 60 days 15 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering ¾th or ¼th extra space is left in sewer pipes at maximum discharge for Large scale infiltration of storm water Unexpected increase in population Low estimates of the average and maximum flows All listed here Large scale infiltration of storm water Unexpected increase in population Low estimates of the average and maximum flows All listed here ANSWER DOWNLOAD EXAMIANS APP