Environmental Engineering in CE Which is a secondary air pollutant? Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles Sulphur dioxide Nitrogen dioxide Photochemical smog Dust particles 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 Photochemical smog Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Photochemical smog Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A standard test for determination of hardness in water is termed as __________ test. Electometric EDTA Presumptive Total count Electometric EDTA Presumptive Total count ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Coagulation Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light Cation exchanger Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyl and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) Causes increase in sea level Inhances the green house effect Causes asphyxia Acts as a green house gas thereby raising earth's temperature Causes increase in sea level Inhances the green house effect Causes asphyxia Acts as a green house gas thereby raising earth's temperature ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inhalation of silica dust by human being causes Shortness of breath Tuberculosis Both B & C Asphyxiation Shortness of breath Tuberculosis Both B & C Asphyxiation ANSWER DOWNLOAD EXAMIANS APP
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