Waste Water Engineering If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains Hydrogen sulphide Methane Oxygen Carbon dioxide Hydrogen sulphide Methane Oxygen Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In the activated sludge process 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 Sludge is activated by constant stirring ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering 15 cumecs, the depth d and width are related by For drains up to d = 0.5 B d = 0.2 B B = 0.5 d B = 0.2 d d = 0.5 B d = 0.2 B B = 0.5 d B = 0.2 d ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The width of a rectangular sewer is twice its depth while discharging 1.5 m/sec. The width of the sewer is 0.68 m 0.88 m 1.36 m 1.76 m 0.68 m 0.88 m 1.36 m 1.76 m ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In sewers the effect of scouring is more on Top side All sides Horizontal side Bottom side Top side All sides Horizontal side Bottom side ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The screens are fixed At an angle 30° to 60° to the direction of flow Parallel to the direction of flow Perpendicular to the direction of flow None of these At an angle 30° to 60° to the direction of flow Parallel to the direction of flow Perpendicular to the direction of flow None of these ANSWER DOWNLOAD EXAMIANS APP
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