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 Generally the detention period for grit chambers is kept as 12 hours 5 minutes 1 minute 24 hours 12 hours 5 minutes 1 minute 24 hours ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering If the sewage contains grease and fatty oils, these are removed in Detritus tanks Skimming tanks Sedimentation tanks Grit chambers Detritus tanks Skimming tanks Sedimentation tanks Grit chambers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to geometrical increase method of forecasting population, arithmetical increase method gives Same value Higher value Lesser value Accurate value Same value Higher value Lesser value Accurate value ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pathogens can be killed by None of these Chlorination Oxidation Nitrification None of these Chlorination Oxidation Nitrification ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The specific gravity of sewage is Much greater than 1 Equal to 1 Slightly less than 1 Slightly greater than 1 Much greater than 1 Equal to 1 Slightly less than 1 Slightly greater than 1 ANSWER DOWNLOAD EXAMIANS APP
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