Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 400 20 100 200 400 20 100 200 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Poly acrylonitrile Benzopyrene Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Benzopyrene Photochemical smog Peroxy acetyl nitrate (PAN) or methyl nitrile ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polyvinyl chloride containers are not suitable for storing None of these Woolen clothes Foodstuffs Metallic powder None of these Woolen clothes Foodstuffs Metallic powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Filtration Disinfection Coagulation Sedimentation Filtration Disinfection Coagulation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Siderosis is a disease caused by the inhalation of __________ dust. None of these Silica Iron Coal None of these Silica Iron Coal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water chemical treatment plant, use of chloramines ensures Disinfection Weed control in reservoirs Removal of permanent hardness Taste & odour control Disinfection Weed control in reservoirs Removal of permanent hardness Taste & odour control ANSWER DOWNLOAD EXAMIANS APP