Waste Water Engineering The rate of accumulation of sludge in septic tanks is recommended as 30 litres/person/year 25 litres/person/year 30 litres/person/month 25 litres/person/month 30 litres/person/year 25 litres/person/year 30 litres/person/month 25 litres/person/month ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Drop manholes are the manholes Without manhole covers Having drains at different levels Without entry ladders With depths more than 3.5 m Without manhole covers Having drains at different levels Without entry ladders With depths more than 3.5 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 25 litres 20 litres 15 litres 10 litres 25 litres 20 litres 15 litres 10 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted to 250 ml for 5 days at 20°C, B.O.D. of the sewage is 50 mg/l 250 mg/l 150 mg/l 100 mg/l 50 mg/l 250 mg/l 150 mg/l 100 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The ratio of minimum hourly flow to the average flow of sewage is 43833 43834 43832 43894 43833 43834 43832 43894 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The presence of free ammonia in sewage, is detected by Adding sulphuric acid Adding potassium permanganate Boiling Phenol-di-sulphuric acid Adding sulphuric acid Adding potassium permanganate Boiling Phenol-di-sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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