Environmental Engineering in CE The earth's atmosphere is an envelope of gases present upto a height of about __________ kms. 200 1000 2000 10 200 1000 2000 10 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 Thermosphere Stratosphere Troposphere Mesosphere Thermosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Fluoride Arsenic Mercury Lead Fluoride Arsenic Mercury Lead ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Alum Ferrous sulphate Lime Hydrazine Alum Ferrous sulphate Lime Hydrazine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Forest fire Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust Forest fire Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Carbon monoxide Sulphur dioxide & spray of weed killers Smog & ozone Hydrogen fluoride & nitrogen oxides Carbon monoxide Sulphur dioxide & spray of weed killers Smog & ozone Hydrogen fluoride & nitrogen oxides ANSWER DOWNLOAD EXAMIANS APP
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