Waste Water Engineering The design period in years for pumping plants, is 1 5 to 10 3 to 5 2 to 3 1 5 to 10 3 to 5 2 to 3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Acid regression stage of sludge digestion at a temperature 21°C extends over a period of 15 days 90 days 30 days 60 days 15 days 90 days 30 days 60 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is 400 mg/l 100 mg/l 200 mg/l 300 mg/l 400 mg/l 100 mg/l 200 mg/l 300 mg/l ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For a grit chamber, if the recommended velocity of flow is 0.2 m/sec and detention period is 2 minutes, the length of the tank, is 20 m 24 m 30 m 16 m 20 m 24 m 30 m 16 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which collects the discharge from a collecting system and delivers it to a treatment plant, is known House sewer Branch sewer Sewer outfall Lateral sewer House sewer Branch sewer Sewer outfall Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Carbondioxide is formed Nitrates are formed Ammonia is formed Nitrites are formed Carbondioxide is formed Nitrates are formed Ammonia is formed ANSWER DOWNLOAD EXAMIANS APP
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