Waste Water Engineering During preliminary treatment of a sewage Girt and sand are removed by girt chambers Floating materials are removed by screening All listed here Oil and grease are removed from skimming tanks Girt and sand are removed by girt chambers Floating materials are removed by screening All listed here Oil and grease are removed from skimming tanks 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/(B × D) Q/(L × D) Q/L Q/(B × L) Q/(B × D) Q/(L × D) Q/L Q/(B × L) ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The coagulant which is generally not used for treating the sewage, is Ferric chloride Ferric sulphate Chlorinated coppers Alum Ferric chloride Ferric sulphate Chlorinated coppers Alum ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For estimating the peak run off the rational formula Q = 0.0278 KpA was evolved by Kinchling All listed here Lloyd Davis Frubling Kinchling All listed here Lloyd Davis Frubling ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering The settling velocity of a spherical particle of diameter less than 0.1 mm as per Stock’s law, is Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] Vs = 218 (Gs – Gw)d [(3T + 70)/100] Vs = 218 (Gs – Gw)d² [(3T + 70)/100] Vs = 418 (Gs – Gw) d [(3T + 70)/100] Vs = 418 (Gs – Gw)d² [(3T + 70)/100] ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering For treating the sewage of a large city, you will recommend Sedimentation tanks with high rate trickling filters A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters None of these Sedimentation tanks with high rate trickling filters A sedimentation tank and an activated sludge treatment plant A plant consisting of Imhoff tanks with low rate trickling filters None of these ANSWER DOWNLOAD EXAMIANS APP
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