Environmental Engineering in CE Septic tanks are used for the __________ of the deposited solids. Aerobic decomposition Separation None of these Anaerobic decomposition Aerobic decomposition Separation None of these Anaerobic decomposition 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 (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following plants does not emit appreciable amount of SO₂ in atmosphere? Nitric acid plant Petroleum refinery Thermal power plant Sulphuric acid plant Nitric acid plant Petroleum refinery Thermal power plant Sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 20 230 1500 750 20 230 1500 750 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Wet scrubber Dust catcher Electrostatic precipitators Bag filter Wet scrubber Dust catcher Electrostatic precipitators Bag filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes All of these Blood poisoning Anaemia Nervous system disorder All of these Blood poisoning Anaemia Nervous system disorder ANSWER DOWNLOAD EXAMIANS APP
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