Waste Water Engineering 5 days-biochemical oxygen demand (BOD5) is taken at a temperature of 20°C 15°C 0°C 25°C 20°C 15°C 0°C 25°C ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The normal values of over flow rates for secondary sedimentation tanks, ranges between 50,000 to 60,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day 50,000 to 60,000 litres/sqm/day 80,000 to 10,000 litres/sqm/day 40,000 to 50,000 litres/sqm/day 25,000 to 35,000 litres/sqm/day ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time (t) of a settling tank, may be defined as the time required for A particle to travel along its length A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank A particle to travel along its length A particle to travel from top surface to bottom sludge zone None of these The flow of sewage to fill the tank ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A well oxidized sewage contains nitrogen mainly as Nitrates None of these Free ammonia Nitrites Nitrates None of these Free ammonia Nitrites ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The rate of accumulation of sludge per person per year, is 10 litres 20 litres 15 litres 25 litres 10 litres 20 litres 15 litres 25 litres ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The use of coarse screens for the disposal of sewage, may be dispensed with by Both A and B Comminutor Shredder Neither A nor B Both A and B Comminutor Shredder Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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