Waste Water Engineering The detention period for plain sedimentation water tanks, is usually 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours 4 to 8 hours 8 to 16 hours 16 to 24 hours 24 to 36 hours ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Settleable solids Dissolved solids None of these Suspended solids Settleable solids Dissolved solids None of these Suspended solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For house drainage minimum gradient is 1 in 10 1 in 80 1 in 60 1 in 400 1 in 10 1 in 80 1 in 60 1 in 400 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Oxygen Nitrogen Carbondioxide Sulphur-dioxide Oxygen Nitrogen Carbondioxide Sulphur-dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Aerobic activity is maximum In sewer treatment plants None of these At sewer pipes In freshly produced sewage In sewer treatment plants None of these At sewer pipes In freshly produced sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 25 litres 20 litres 10 litres 15 litres 25 litres 20 litres 10 litres 15 litres ANSWER DOWNLOAD EXAMIANS APP
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