Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most active zone of atmosphere in which weathering events like rain, storm & lightning occur? None of these Stratosphere Thermosphere Troposphere None of these Stratosphere Thermosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Petroleum refineries Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant Petroleum refineries Coal based thermal power plants Metallurgical roasting & smelting plant Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of nitrogen dioxide in atmospheric air causes Bronchitis Asphyxiation Corrosion Cancer Bronchitis Asphyxiation Corrosion Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High noise levels produced during operation of fans and compressors can be reduced by using Accoustical absorbent Lagging of noisy duct None of these Mufflers (silencers) Accoustical absorbent Lagging of noisy duct None of these Mufflers (silencers) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing Metallic powder Foodstuffs Woolen clothes None of these Metallic powder Foodstuffs Woolen clothes None of these ANSWER DOWNLOAD EXAMIANS APP
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