Waste Water Engineering Aerobic activity is maximum At sewer pipes In sewer treatment plants None of these In freshly produced sewage At sewer pipes In sewer treatment plants None of these In freshly produced sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The water carried sewerage system removes All listed here Domestic sewage Industrial sewage Storm sewage All listed here Domestic sewage Industrial sewage Storm sewage ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be More than 20 m/sec Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity 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 225 ppm 200 ppm 250 ppm None of these 225 ppm 200 ppm 250 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 1 metre/sec 2 metres/sec 0.5 metre/sec 0.25 metre/sec 1 metre/sec 2 metres/sec 0.5 metre/sec 0.25 metre/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The formula V = (1/n) r2/3 Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula Manning’s formula Chezy’s formula Bazin’s formula Kutter’s formula ANSWER DOWNLOAD EXAMIANS APP
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