Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Biological oxidation Sedimentation Chlorination Skimming off Biological oxidation Sedimentation Chlorination Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of lead for public sewer/waste water is about __________ ppm. 650 25 1 150 650 25 1 150 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ozone level is generally found to be depleted in India in the month of February April July December February April July December ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Air Water Radioactive Noise Air Water Radioactive Noise ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Metallurgical roasting & smelting plant Coal based thermal power plants Petroleum refineries Pulp and paper plant Metallurgical roasting & smelting plant Coal based thermal power plants Petroleum refineries Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP