Environmental Engineering For a country like India, where rainfall is mainly confined to one season, the suitable sewerage system will be Separate system Combined system Partially separate system Partially combined system Separate system Combined system Partially separate system Partially combined system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Detritus tanks Grit chambers Skimming tanks Sedimentation tanks Detritus tanks Grit chambers Skimming tanks Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 1 43894 43864 43833 1 43894 43864 43833 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Dissolved oxygen in streams is Maximum at midnight Minimum at noon Maximum at noon Same throughout the day Maximum at midnight Minimum at noon Maximum at noon Same throughout the day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In a BOD test, 1.0 ml of raw sewage was diluted to 100 ml and the dissolved oxygen concentration of diluted sample at the beginning was 6 ppm and it was 4 ppm at the end of 5 day incubation at 20°C. The BOD of raw sewage will be 400 ppm 300 ppm 100 ppm 200 ppm 400 ppm 300 ppm 100 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Facultative bacteria are able to work in Presence of oxygen only Presence as well as in absence of oxygen Presence of water Absence of oxygen only Presence of oxygen only Presence as well as in absence of oxygen Presence of water Absence of oxygen only ANSWER DOWNLOAD EXAMIANS APP
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