Waste Water Engineering In the activated sludge process Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge Aeration is continued till stability Sludge is activated by constant stirring Water is removed by centrifugal action Aeration is done with an admixture of previously aerated sludge ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering A drop manhole is provided if A lamp is inserted to check obstruction None of these A branch sewer joins the main sewer at higher level A sewer drops from a height A lamp is inserted to check obstruction None of these A branch sewer joins the main sewer at higher level A sewer drops from a height ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is Q/(L × D) Q/L Q/(B × L) Q/(B × D) Q/(L × D) Q/L Q/(B × L) Q/(B × D) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Imhoff cone is used to determine Dissolved solids Suspended solids Settleable solids None of these Dissolved solids Suspended solids Settleable solids None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The value of Chezy’s constant C = 157.6/(1.81 + K/ ) is used in Bazin’s formula Chezy’s formula Kutter’s formula Manning’s formula Bazin’s formula Chezy’s formula Kutter’s formula Manning’s formula ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering Ventilating shafts are provided to a sewer line at every 100 m 300 m 150 m 200 m 100 m 300 m 150 m 200 m ANSWER DOWNLOAD EXAMIANS APP
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