Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Iron & steel plant Food industry Municipal sewage treatment Petroleum refinery Iron & steel plant Food industry Municipal sewage treatment Petroleum refinery ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of excess flourine in water causes Tooth decay Respiratory disease Dental cavity Fluorosis Tooth decay Respiratory disease Dental cavity Fluorosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Both A & B Neither A nor B Using the activities of bacteria and other micro organisms Aerobic oxidation Both A & B Neither A nor B Using the activities of bacteria and other micro organisms Aerobic oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes All of these Anaemia Blood poisoning Nervous system disorder All of these Anaemia Blood poisoning Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. None of these Aeration Sterilisation Disinfection None of these Aeration Sterilisation Disinfection ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Adsorption in ion exchange materials None of these Coagulation and filtration Biological oxygen treatment Adsorption in ion exchange materials None of these Coagulation and filtration Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
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