Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. Disinfection None of these Sterilisation Aeration Disinfection None of these Sterilisation Aeration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The upper layer of atmosphere is called the Troposphere Stratosphere Ionosphere None of these Troposphere Stratosphere Ionosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of soluble organics in polluted water causes Undesirable plants growth Depletion of oxygen Explosion hazards Fire hazards Undesirable plants growth Depletion of oxygen Explosion hazards Fire hazards ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a slow sand filter ranges from __________ litres/m²/hr. 100 to 200 10 to 20 4000 to 5000 1500 to 2500 100 to 200 10 to 20 4000 to 5000 1500 to 2500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 500 5 50 1 500 5 50 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Bad taste Bacteria Color Foul odour Bad taste Bacteria Color Foul odour ANSWER DOWNLOAD EXAMIANS APP