Waste Water Engineering The most widely used pump for lifting sewage is Air pressure pump Reciprocating pump Centrifugal pump Pneumatic ejector Air pressure pump Reciprocating pump Centrifugal pump Pneumatic ejector ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If the diameter of a sewer is 150 mm, the gradient required for generating self cleansing velocity, is None of these 1 in 100 1 in 120 1 in 60 None of these 1 in 100 1 in 120 1 in 60 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The suitable cross-section of sewers to carry combined flow, is Circular Rectangular Egg shaped Horse shoe shaped Circular Rectangular Egg shaped Horse shoe shaped ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the velocity of flow should not be Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec Less than 10 m/sec Less than the self-cleansing velocity More than the self-cleansing velocity More than 20 m/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The clarigesters are Circular Imhoff double tanks with bottom hoppers Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular septic tanks Circular Imhoff double tanks with bottom hoppers Rectangular septic tanks Circular Imhoff double storey tanks without bottom hoppers Circular septic tanks ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known None of these Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) None of these Bio-Chemical Oxygen Demand (B.O.D.) Dissolved Oxygen (D.O.) Chemical Oxygen Demand (C.O.D.) ANSWER DOWNLOAD EXAMIANS APP