Waste Water Engineering Which one of the following gases is most significant as air pollutant? Sulphur-dioxide Oxygen Carbondioxide Nitrogen Sulphur-dioxide Oxygen Carbondioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at 21°C, B.O.D. of the sewage is 150 ppm 50 ppm 200 ppm 100 ppm 150 ppm 50 ppm 200 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.25 2.65 2.55 2.5 2.25 2.65 2.55 2.5 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In septic tanks, decomposition of organic bacteria, is done by Aerobic bacteria Both types of bacterias Anaerobic bacteria None of these Aerobic bacteria Both types of bacterias Anaerobic bacteria None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The recommended detention period for grit chambers is 2 minutes 1 minute 5 minutes 3 minutes 2 minutes 1 minute 5 minutes 3 minutes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The water carried sewerage system removes Industrial sewage Storm sewage Domestic sewage All listed here Industrial sewage Storm sewage Domestic sewage All listed here ANSWER DOWNLOAD EXAMIANS APP
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