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 40 mm/hr 10 mm/hr 4 mm/hr 20 mm/hr 40 mm/hr 10 mm/hr 4 mm/hr ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering As compared to shallow wells, deep wells have More depth Less depth More discharge Less discharge More depth Less depth More discharge Less discharge ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The pipe which is used to carry the discharge from sanitary fittings like bath rooms, kitchens etc. is called Anti-siphonage pipe Soil pipe Vent pipe Waste pipe Anti-siphonage pipe Soil pipe Vent pipe Waste pipe 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 Disinfection of water results in Removal of turbidity Killing of disease bacteria Removal of hardness Complete sterilisation Removal of turbidity Killing of disease bacteria Removal of hardness Complete sterilisation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering The chemical most commonly used to increase speed of sedimentation of sewage is Lime Sulphuric acid Sodium permanganate Copper sulphate Lime Sulphuric acid Sodium permanganate Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS