Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B Photosynthetic action of algae Both A & B Natural aeration of water stream Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes Respiratory disease (e.g., asthma) Cancer Reduced crop yield Silicosis Respiratory disease (e.g., asthma) Cancer Reduced crop yield Silicosis ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Green house gases blanket/block the infrared radiation from earth's surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect? N₂ SO₃ H₂ CO₂ N₂ SO₃ H₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reinglemann chart is used for the measurement of the Smoke density from a chimey Combustibles present in automobile exhaust Flue gas temperature Exhaust gas density Smoke density from a chimey Combustibles present in automobile exhaust Flue gas temperature Exhaust gas density ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Sludge digester Sedimentation tanks Oxidation ponds Clarifier Sludge digester Sedimentation tanks Oxidation ponds Clarifier ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Hardy cross method of analysis of distribution system(i) Involves successive trials(ii) Takes economic aspects into account(iii) Is time consuming Only (i) (i) and (iii) All are correct (i) and (ii) Only (i) (i) and (iii) All are correct (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP