Environmental Engineering The process in which the chlorination is done beyond the break point is known as Post chlorination Pre-chlorination Break point chlorination Super chlorination Post chlorination Pre-chlorination Break point chlorination Super chlorination 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 100 ppm 400 ppm 300 ppm 200 ppm 100 ppm 400 ppm 300 ppm 200 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following unit works in anaerobic conditions? Activated sludge treatment Trickling filters Sludge digestion tank Sedimentation tank Activated sludge treatment Trickling filters Sludge digestion tank Sedimentation tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period and overflow rate respectively for plain sedimentation as compared to sedimentation with coagulation are generally Less and more Less and less More and more More and less Less and more Less and less More and more More and less ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by Nitrification Oxidation Chlorination None of these Nitrification Oxidation Chlorination None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method of forecasting population for a young and rapidly increasing city is Geometrical increase method Incremental increase method Arithmetical increase method Graphical method Geometrical increase method Incremental increase method Arithmetical increase method Graphical method ANSWER DOWNLOAD EXAMIANS APP
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