Waste Water Engineering Which one of the following gases is most significant as air pollutant? Nitrogen Oxygen Sulphur-dioxide Carbondioxide Nitrogen Oxygen Sulphur-dioxide Carbondioxide 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 200 ppm None of these 250 ppm 225 ppm 200 ppm None of these 250 ppm 225 ppm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The pressure exerted by The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension All listed here The sewage when running full from inside, is called internal pressure The internal pressure if any, causes tensile stress in the pipe material Pressure sewers are designed to be safe in tension All listed here The sewage when running full from inside, is called internal pressure ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The design period in years for pumping plants, is 5 to 10 1 3 to 5 2 to 3 5 to 10 1 3 to 5 2 to 3 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For providing an Indian type W.C., the R.C.C. slabs in the toilet portion Should be kept 20 cm above the adjacent portion Should be sunk by 50 cm Should be sunk by 20 cm Need not be sunk Should be kept 20 cm above the adjacent portion Should be sunk by 50 cm Should be sunk by 20 cm Need not be sunk ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dried sewage after treatment is used as Base material for paints Fertilizer Building material Chemical for lowering B.O.D. Base material for paints Fertilizer Building material Chemical for lowering B.O.D. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS