Environmental Engineering in CE Presence of excess flourine in water causes Fluorosis Respiratory disease Dental cavity Tooth decay Fluorosis Respiratory disease Dental cavity Tooth decay 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 Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Photochemical smog Poly acrylonitrile Peroxy acetyl nitrate (PAN) or methyl nitrile Benzopyrene Photochemical smog Poly acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Skimming tank Detritus tank Grit chamber Trickling filter Skimming tank Detritus tank Grit chamber 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 Which of the following is not a source of ozone emission in the atmosphere? Xerox machines Refrigerators Dermatological photo-therapy equipments High voltage electrical equipments Xerox machines Refrigerators Dermatological photo-therapy equipments High voltage electrical equipments ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Coagulation and filtration Adsorption in ion exchange materials None of these Biological oxygen treatment Coagulation and filtration Adsorption in ion exchange materials None of these Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
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