Environmental Engineering in CE Aerosols present in atmospheric air may be Neutral Combination of all A, B & C Positively charged Negatively charged Neutral Combination of all A, B & C Positively charged Negatively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not an air pollutant? Carcinogens Metallic powders Ozone Pesticides Carcinogens Metallic powders Ozone Pesticides ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called None of these Biological oxidation Incineration Composting None of these Biological oxidation Incineration Composting ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The amount of coagulant needed for coagulation of water increases with(i) Increase in turbidity of water(ii) Decrease in turbidity of water(iii) Increase in temperature of water(iv) Decrease in temperature of waterThe correct answer is (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (ii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE If carbon monoxide content in atmospheric air exceeds __________ ppm, death is bound to occur. 50 1000 3000 (i.e. 0.3%) 500 50 1000 3000 (i.e. 0.3%) 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Undesirable plant growth Non biodegradable foam Corrosion Explosion Undesirable plant growth Non biodegradable foam Corrosion Explosion ANSWER DOWNLOAD EXAMIANS APP