Environmental Engineering Facultative bacteria are able to work in Absence of oxygen only Presence of oxygen only Presence of water Presence as well as in absence of oxygen Absence of oxygen only Presence of oxygen only Presence of water Presence as well as in absence of oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Skimming tanks Detritus tanks Sedimentation tanks Grit chambers Skimming tanks Detritus tanks Sedimentation tanks Grit chambers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering A pipe conveying sewage from plumbing system of a single building to common sewer or point of immediate disposal is called Sub-main sewer Main sewer House sewer Lateral sewer Sub-main sewer Main sewer House sewer Lateral sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following sewers is preferred for combined system of sewage? None of these Egg shaped sewer Rectangular sewer Circular sewer None of these Egg shaped sewer Rectangular sewer Circular sewer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally More and more More and less Less and less Less and more More and more More and less Less and less Less and more ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The hourly variation factor is usually taken as 1.8 2.0 1.5 2.7 1.8 2.0 1.5 2.7 ANSWER DOWNLOAD EXAMIANS APP
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