Environmental Engineering The rate of filtration in slow sand filters in million litres per day per hectare is about 1400 to 1500 50 to 60 500 to 600 100 to 150 1400 to 1500 50 to 60 500 to 600 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering An egg shaped section of sewer Provides self cleansing velocity at low discharges Is economical than circular section Is easy to construct Is more stable than circular section Provides self cleansing velocity at low discharges Is economical than circular section Is easy to construct Is more stable than circular section ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering For normal sludge, the value of sludge index for Indian conditions is 50 to 150 150 to 350 350 to 500 0 to 50 50 to 150 150 to 350 350 to 500 0 to 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The design discharge for the combined sewer system shall be taken as Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF Rainfall + 6 DWF Rainfall + 2 DWF Equal to rainfall Rainfall + DWF ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering Generally the detention period for grit chambers is kept as 1 minute 5 minutes 12 hours 24 hours 1 minute 5 minutes 12 hours 24 hours 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 20 mm/hr 10 mm/hr 40 mm/hr 4 mm/hr 20 mm/hr 10 mm/hr 40 mm/hr 4 mm/hr ANSWER DOWNLOAD EXAMIANS APP
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