Waste Water Engineering The screens are fixed At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these At an angle 30° to 60° to the direction of flow Perpendicular to the direction of flow Parallel to the direction of flow None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric chloride Chlorinated coppers Ferric sulphate Alum Ferric chloride Chlorinated coppers Ferric sulphate Alum ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q d² (0.011d + 0.785H)/Q d (0.285d + 0.011H)/Q d (0.785d + 0.011H)/Q d (0.022d + 0.085H)/Q d² (0.011d + 0.785H)/Q 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 1 in 60 1 in 100 None of these 1 in 120 1 in 60 1 in 100 None of these 1 in 120 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The most dangerous pollutant in vehicular emissions is CO₂ SO₂ O₂ CO₂ CO₂ SO₂ O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The gas which may cause explosion in sewers, is Methane Carbon monoxide Ammonia Carbondioxide Methane Carbon monoxide Ammonia Carbondioxide ANSWER DOWNLOAD EXAMIANS APP
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