Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Asthma Dermatitis (skin disorder) Cancer Asphyxiation (suffocation) Asthma Dermatitis (skin disorder) Cancer Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Photochemical smog is formed from automobile exhaust Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma Appears only on sunny days By reaction of hydrocarbon & nitric oxide in presence of sunlight All of these Is harmful for crops and trees also besides causing eye irritation & asthma ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Scale formation Corrosion Water-borne disease Dental cavities Scale formation Corrosion Water-borne disease Dental cavities ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 1500 230 750 20 1500 230 750 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Fermentation Reduction Dehydration Oxidation Fermentation Reduction Dehydration Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 300 ppm 50 ppm 700 ppm 100 ppm 300 ppm 50 ppm 700 ppm 100 ppm ANSWER DOWNLOAD EXAMIANS APP