Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 90 days 15 days 30 days 60 days 90 days 15 days 30 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The density of population over 40 hectares is 250/hectare. If water supply demand per day is 200 litres and sewage discharge is 80% of water supply, the sewage flow in sewers of separate system, is 0.05552 cumec 0.05554 cumec 0.05556 cumec 0.0556 cumec 0.05552 cumec 0.05554 cumec 0.05556 cumec 0.0556 cumec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The underground sewers are more subjected to Compressive force Tensile force Shearing force Bending force Compressive force Tensile force Shearing force Bending force ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Kjeldahl nitrogen is a mixture of Nitrogen and organic nitrogen Ammonia and nitrogen All listed here Organic nitrogen and ammonia Nitrogen and organic nitrogen Ammonia and nitrogen All listed here Organic nitrogen and ammonia 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 3 2 2.5 1.5 3 2 2.5 1.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known Bio-Chemical Oxygen Demand (B.O.D.) None of these Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) Bio-Chemical Oxygen Demand (B.O.D.) None of these Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP
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