Environmental Engineering If the time of concentration is 9 minutes, then the intensity of rainfall according to British Ministry of Health formula will be 4 mm/hr 40 mm/hr 10 mm/hr 20 mm/hr 4 mm/hr 40 mm/hr 10 mm/hr 20 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 hours 1 to 2 minutes 2 to 6 days 30 to 45 minutes 2 to 6 hours 1 to 2 minutes 2 to 6 days 30 to 45 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The ratio of 5 day BOD to ultimate BOD is about 43894 43833 43864 1 43894 43833 43864 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Percentage of bacterial load that can be removed from water by the process of plain sedimentation is about 59 75 50 100 59 75 50 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Sewerage system is usually designed for 28 years 25 years 26 years 27 years 28 years 25 years 26 years 27 years ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering On standard silica scale, the turbidity in drinking water should be limited to 50 ppm 20 ppm 30 ppm 10 ppm 50 ppm 20 ppm 30 ppm 10 ppm ANSWER DOWNLOAD EXAMIANS APP
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