Waste Water Engineering The grit and silt of the grit chambers, may not be used for Both A and B Raising low lying areas by dumping Neither A nor B Concreting Both A and B Raising low lying areas by dumping Neither A nor B Concreting ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 0.25 metre/sec 1 metre/sec 2 metres/sec 0.5 metre/sec 0.25 metre/sec 1 metre/sec 2 metres/sec 0.5 metre/sec 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 (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d² (0.011d + 0.785H)/Q d (0.022d + 0.085H)/Q ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewage treatment in septic tanks is due to None of these Anaerobic decomposition Parasitic decomposition Aerobic decomposition None of these Anaerobic decomposition Parasitic decomposition Aerobic decomposition ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 250 ppm None of these 225 ppm 200 ppm 250 ppm None of these 225 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Chlorination of water is done for the removal of Sediments Suspended solids Bacterias Hardness Sediments Suspended solids Bacterias Hardness ANSWER DOWNLOAD EXAMIANS APP
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