Waste Water Engineering The most widely used pump for lifting sewage is Pneumatic ejector Air pressure pump Centrifugal pump Reciprocating pump Pneumatic ejector Air pressure pump Centrifugal pump Reciprocating pump ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In trickling filter, B.O.D. is reduced to 60 to 80% 30 to 40% 40 to 60% 80 to 90% 60 to 80% 30 to 40% 40 to 60% 80 to 90% ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the over land flow from the critical point to the drain is 8 km and the difference in level is 12.4 m, the inlet time is 3 hours 4 hours 5 hours 2 hours 3 hours 4 hours 5 hours 2 hours 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 Combined system None of these Partially separate system Separate system Combined system None of these Partially separate system ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The spacing of bars for perforations in coarse screens used for the treatment of sewage, is 50 mm 20 mm 30 mm 40 mm 50 mm 20 mm 30 mm 40 mm ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these ANSWER DOWNLOAD EXAMIANS APP