Environmental Engineering in CE Which of the following is the most severe air pollutant? NOx SO₂ Hydrocarbons CO NOx SO₂ Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Only (i) Both (i) and (ii) Only (iii) Both (i) and (iii) Only (i) Both (i) and (ii) Only (iii) Both (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Fats Carbohydrates Salts of metals Protein Fats Carbohydrates Salts of metals Protein ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere Automobile exhaust De-forestation Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere Automobile exhaust De-forestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Explosion Corrosion Undesirable plant growth Non biodegradable foam Explosion Corrosion Undesirable plant growth Non biodegradable foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Powder Dust Colloids or aerosols Smoke Powder Dust Colloids or aerosols Smoke ANSWER DOWNLOAD EXAMIANS APP