Waste Water Engineering In the activated sludge process Sludge is activated by constant stirring Aeration is continued till stability Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Sludge is activated by constant stirring Aeration is continued till stability Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed Parallel to the direction of flow At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow None of these Parallel to the direction of flow At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The porosity of sediments in sewer pipes, is usually taken as 0.01 0.013 0.012 0.011 0.01 0.013 0.012 0.011 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The sewer which received discharge from two or more main sewers, is known as A main sewer An outfall sewer An intercepting sewer A trunk sewer A main sewer An outfall sewer An intercepting sewer A trunk sewer ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Dilution method of disposing of sewage, is not preferred to When sewage is fresh When diluting water has high dissolved oxygen content When the diluting water is having flow currents When diluting water is used for water supply near the point of sewage disposed When sewage is fresh When diluting water has high dissolved oxygen content When the diluting water is having flow currents When diluting water is used for water supply near the point of sewage disposed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Oxidation process results in the formation of All of these Carbon dioxide Sulphates Nitrates All of these Carbon dioxide Sulphates Nitrates ANSWER DOWNLOAD EXAMIANS APP
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