Waste Water Engineering If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is 100 cm 80 cm 50 cm 90 cm 100 cm 80 cm 50 cm 90 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In normal conditions, the period for sludge digestion, is 30 days 20 days 60 days 10 days 30 days 20 days 60 days 10 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 3 ppm 5 ppm 4 ppm 10 ppm 3 ppm 5 ppm 4 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.785d + 0.011H)/Q d (0.285d + 0.011H)/Q d (0.022d + 0.085H)/Q d² (0.011d + 0.785H)/Q d (0.785d + 0.011H)/Q d (0.285d + 0.011H)/Q d (0.022d + 0.085H)/Q d² (0.011d + 0.785H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In detritus tanks, All listed here Organic and inorganic materials are separated Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes All listed here Organic and inorganic materials are separated Flow velocity is kept 0.09 m/sec Detention period is kept 3 to 4 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To test chemical oxygen demand (C.O.D.) of sewage, organic matter is oxidised by potassium dichromate in the presence of Citric acid Nitric acid Hydrochloric acid Sulphuric acid Citric acid Nitric acid Hydrochloric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
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