Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 50 ppm 10 ppm 20 ppm 30 ppm 50 ppm 10 ppm 20 ppm 30 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The phenolic compounds in public water supply should not be more than 0.0001 ppm 0.001 ppm 0.1 ppm 0.01 ppm 0.0001 ppm 0.001 ppm 0.1 ppm 0.01 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable method of forecasting population for a young and rapidly increasing city is Incremental increase method Graphical method Arithmetical increase method Geometrical increase method Incremental increase method Graphical method Arithmetical increase method Geometrical increase method 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 300 ppm 200 ppm 400 ppm 100 ppm 300 ppm 200 ppm 400 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard BOD is measured at 30°C - 5 day 25°C - 3 day 20°C - 5 day 20°C - 1 day 30°C - 5 day 25°C - 3 day 20°C - 5 day 20°C - 1 day ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following methods of analysis of water distribution system is most suitable for long and narrow pipe system? Hardy cross method Equivalent pipe method Electrical analysis method Circle method Hardy cross method Equivalent pipe method Electrical analysis method Circle method ANSWER DOWNLOAD EXAMIANS APP
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