Waste Water Engineering In trickling filter, B.O.D. is reduced to 80 to 90% 40 to 60% 30 to 40% 60 to 80% 80 to 90% 40 to 60% 30 to 40% 60 to 80% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called Plateau None of these Windrow A heap Plateau None of these Windrow A heap ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Removal of oil and grease from sewage, is known Skimming None of these Filtration Screening Skimming None of these Filtration Screening ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering To maintain aerobic biological activity, the moisture content of the compost mass should be about 0.5 0.6 0.55 0.45 0.5 0.6 0.55 0.45 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine None of these Settleable solids Suspended solids Dissolved solids None of these Settleable solids Suspended solids Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Antisyphonage pipe is fitted With a W.'trap At the beginning of sewer line On manholes At the end of septic tanks With a W.'trap At the beginning of sewer line On manholes At the end of septic tanks ANSWER DOWNLOAD EXAMIANS APP
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