Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called None of these Incineration Biological oxidation Composting None of these Incineration Biological oxidation Composting ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Chlorination only Simple filtration Oxidation followed by settling & filtration Chemical coagulation Chlorination only Simple filtration Oxidation followed by settling & filtration Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of July February April December July February April December ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most lethal water pollutant? Phenol and cynide Chlorine Suspended solids Alkalis Phenol and cynide Chlorine Suspended solids Alkalis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Dissolved solid Suspended solid Gritty & inorganic Oil & fatty Dissolved solid Suspended solid Gritty & inorganic Oil & fatty ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Methyl iso-cynate (MIC) Phosgene Sulphur dioxide Carbon monoxide Methyl iso-cynate (MIC) Phosgene Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP