Environmental Engineering in CE Presence of soluble organics in polluted water causes Undesirable plants growth Explosion hazards Fire hazards Depletion of oxygen Undesirable plants growth Explosion hazards Fire hazards Depletion of oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Composting Biological oxidation Incineration None of these Composting Biological oxidation Incineration None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Bog iron (iron oxide) Pulverised limestone Silica gel Active carbon Bog iron (iron oxide) Pulverised limestone Silica gel Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Atmospheric pollution caused by the exhaust gas of supresonic transport air-crafts is mostly in the atmospheric region called Mesosphere Stratosphere Troposphere Thermosphere Mesosphere Stratosphere Troposphere Thermosphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Scale formation in boiler is controlled by Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 Reduction in hardness, silica & alumina in feed water Preheating of feed water Eliminating H₂S in feed water Keeping the pH value of feed water just below 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Automobiles exhaust Photochemical oxidation of organic matter Forest fire Industrial chimney exhaust Automobiles exhaust Photochemical oxidation of organic matter Forest fire Industrial chimney exhaust ANSWER DOWNLOAD EXAMIANS APP
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