Waste Water Engineering The grit chambers of sewage treatment plants, are generally cleaned after 2 days 7 days 14 days 12 days 2 days 7 days 14 days 12 days ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In areas where rainy season is limited to a few months, the type of sewerage system recommended is Separate system None of these Combined system Partially separate system Separate system None of these Combined system Partially separate system 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 100 ppm 150 ppm 50 ppm 200 ppm 100 ppm 150 ppm 50 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sludge tank, the gas mainly produced, is Nitrogen Oxygen Carbon dioxide Hydrogen Nitrogen Oxygen Carbon dioxide Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Rate of flow of sewage is generally assumed At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply At 150 litres per capita Less than the rate of water supply More than the rate of water supply Equal to the rate of water supply ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the gas generally found, is Methane (CH4) Carbon dioxide (CO2) All listed here Hydrogen sulphide (H2S) Methane (CH4) Carbon dioxide (CO2) All listed here Hydrogen sulphide (H2S) ANSWER DOWNLOAD EXAMIANS APP
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