Waste Water Engineering In the activated sludge process 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 Sludge is activated by constant stirring Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Facultative bacteria survive in Neither A nor B The absence of oxygen The presence of oxygen Both cases A and B Neither A nor B The absence of oxygen The presence of oxygen Both cases A and B ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering An inverted siphon is designed generally for Four pipes Three pipes Two pipes One pipe Four pipes Three pipes Two pipes One pipe ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas evolved in sewers is All of these Carbondioxide Methane Hydrogen sulphide All of these Carbondioxide Methane Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The arrangement made for passing the sewer line below an obstruction below the hydraulic gradient lines called all of these Depressed sewer Sag pipe Inverted syphon all of these Depressed sewer Sag pipe Inverted syphon ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In case of Imhoff tanks, The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours All of these The shape is rectangular The velocity of flow is restricted to 0.30 m/minute Detention period is 2 hours All of these The shape is rectangular ANSWER DOWNLOAD EXAMIANS APP