Environmental Engineering Double filtration is used To increase the filtration rapid sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming To increase the filtration slow sand filters capacity of To increase the filtration rapid sand filters capacity of All of these For isolated buildings like pools, hotels etc swimming To increase the filtration slow sand filters capacity of ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The suitable system of sanitation for area of distributed rainfall throughout the year with less intensity is Separate system Partially combined system Partially separate system Combined system Separate system Partially combined system Partially separate system Combined system ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The detention period in coagulation tanks is usually kept as 2 to 6 days 1 to 2 minutes 2 to 6 hours 30 to 45 minutes 2 to 6 days 1 to 2 minutes 2 to 6 hours 30 to 45 minutes ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the Hardness in water Residual chlorine in water Turbidity in water Dissolved oxygen in water Hardness in water Residual chlorine in water Turbidity in water Dissolved oxygen in water ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering In facultative stabilization pond, the sewage is treated by Dual action of aerobic bacteria and anaerobic bacteria Aerobic bacteria only Sedimentation Algae only Dual action of aerobic bacteria and anaerobic bacteria Aerobic bacteria only Sedimentation Algae only ANSWER DOWNLOAD EXAMIANS APP
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 20 mm/hr 40 mm/hr 10 mm/hr 4 mm/hr 20 mm/hr 40 mm/hr 10 mm/hr ANSWER DOWNLOAD EXAMIANS APP
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