Waste Water Engineering A circular sewer section is preferred to because All listed here It is cheaper in construction It provides maximum area for a given perimeter It provides maximum hydraulic mean depth All listed here It is cheaper in construction It provides maximum area for a given perimeter It provides maximum hydraulic mean depth ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For sewer mains of 0.5 to 1 m diameter, the ratio of maximum daily sewage flow to the average daily sewage flow is assumed 3 2.5 1.5 2 3 2.5 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Depletion of ozone layer in the outer atmosphere may cause Heart disorder Skin cancer Lung cancer Bronchitis Heart disorder Skin cancer Lung cancer Bronchitis ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is 20 cm 40 cm 25 cm 50 cm 20 cm 40 cm 25 cm 50 cm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Water is removed by centrifugal action Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Water is removed by centrifugal action ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For the survival of fish in a river stream, the minimum dissolved oxygen is prescribed 10 ppm 4 ppm 3 ppm 5 ppm 10 ppm 4 ppm 3 ppm 5 ppm ANSWER DOWNLOAD EXAMIANS APP