Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Sodium sulphate Lime Hydrochloric acid Copper sulphate Sodium sulphate Lime Hydrochloric acid Copper sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerobic biological oxidation ponds used for the purification of polluted water All of these Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage All of these Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents Destroys/removes pathogen much more effectively if the sewage is chlorinated Destroys/removes pathogen from the sewage ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of July September June December July September June December ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Coagulation Filtration Anion exchanger Preheating it Coagulation Filtration Anion exchanger Preheating it ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Dust Smoke Colloids or aerosols Powder Dust Smoke Colloids or aerosols Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Fire hazards Explosion hazards Depletion of oxygen Undesirable plants growth Fire hazards Explosion hazards Depletion of oxygen Undesirable plants growth ANSWER DOWNLOAD EXAMIANS APP
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