Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 500 1 5 50 500 1 5 50 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following fine dust removal equipments is the most efficient? Cyclone separator Bag filter Scrubber Electrostatic precipitator Cyclone separator Bag filter Scrubber Electrostatic precipitator ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Disinfection Filtration Sedimentation Coagulation Disinfection Filtration Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Iron and manganese Temporary hardness Permanent hardness Foul smell and taste Iron and manganese Temporary hardness Permanent hardness Foul smell and taste ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Chloramine Aluminium sulphate Hydrated lime Ferrous sulphate Chloramine Aluminium sulphate Hydrated lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is not formed due to the presence of __________ in the atmosphere. CO₂ SO₂ Any of these NOx CO₂ SO₂ Any of these NOx ANSWER DOWNLOAD EXAMIANS APP
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