Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 20 mm/hr 4 mm/hr 10 mm/hr 40 mm/hr 20 mm/hr 4 mm/hr 10 mm/hr 40 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 26 years 27 years 28 years 25 years 26 years 27 years 28 years 25 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The relative stability of a sewage sample, whose dissolved oxygen is same as the total oxygen required to satisfy BOD, is 1 100 Zero Infinite 1 100 Zero Infinite 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 100 ppm 200 ppm 300 ppm 400 ppm 100 ppm 200 ppm 300 ppm ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Which of the following values of pH represents a stronger acid? 4 5 2 3 4 5 2 3 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Ground water is usually free from Dissolved impurities Suspended impurities Both suspended and dissolved impurities None of these Dissolved impurities Suspended impurities Both suspended and dissolved impurities None of these ANSWER DOWNLOAD EXAMIANS APP
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