Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering During purification process of sewage the gas given off, is Hydrogen All listed here Carbon dioxide Ammonia Hydrogen All listed here Carbon dioxide Ammonia 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 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 80,000 to 100,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering pH value of sludge during alkaline regression stage, is Less than 6 Less than 7 More than 7 More than 6 Less than 6 Less than 7 More than 7 More than 6 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Which one of the following gases is most significant as air pollutant? Oxygen Sulphur-dioxide Nitrogen Carbondioxide Oxygen Sulphur-dioxide Nitrogen Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 3.0 ml of raw sewage is diluted to 300 ml. The D.O. concentration of the diluted sample at the beginning of the test was 8 mg/l. After 5 day-incubation at 20°C, the D.O. concentration was 5 mg/l. The BOD of raw sewerage is 200 mg/l 100 mg/l 400 mg/l 300 mg/l 200 mg/l 100 mg/l 400 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP