Waste Water Engineering A five day B.O.D. at 15°C of the sewage of a town is 100 kg/day. If the 5 day B.O.D. per head at 15°C for standard sewage is 0.1 kg/day, the population equivalent is 5000 100 1000 10000 5000 100 1000 10000 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a fully mechanised composting plant, involves Mechanized receipt Mechanized pulverising of refuse All of these Mechanized segregation Mechanized receipt Mechanized pulverising of refuse All of these Mechanized segregation ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 3 minutes 5 minutes 1 minute 2 minutes 3 minutes 5 minutes 1 minute 2 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering No treatment of the sewage is given if dilution factor is Between 150 to 200 Less than 150 More than 500 Between 200 to 300 Between 150 to 200 Less than 150 More than 500 Between 200 to 300 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 Nitric acid Citric acid Hydrochloric acid Sulphuric acid Nitric acid Citric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For trunk sewers more than 1.25 m in diameter, the ratio of the maximum daily sewage flow to the average daily sewage flow is assumed 2 1.5 3 2.5 2 1.5 3 2.5 ANSWER DOWNLOAD EXAMIANS APP