Environmental Engineering in CE The most commonly used chemical coagulant in water treatment is Hydrazine Ferrous sulphate Alum Lime Hydrazine Ferrous sulphate Alum Lime ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following causes death by asphyxiation, if its presence in atmospheric air exceeds maximum allowable concentration (i.e. > 50 ppm)? Benzopyrene Peroxyacyl nitrate Sulphur dioxide Carbon monoxide Benzopyrene Peroxyacyl nitrate Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Methyl iso-cynate (MIC) Carbon monoxide Sulphur dioxide Phosgene Methyl iso-cynate (MIC) Carbon monoxide Sulphur dioxide Phosgene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the Rain Green house effect Vegetation Forestation Rain Green house effect Vegetation Forestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Skimming tank Lagoon Imhoff tank Oxidation Skimming tank Lagoon Imhoff tank Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gas-air mixture), rendering it the property of the most explosive gas? Hydrogen Ammonia Acetylene Carbon monoxide Hydrogen Ammonia Acetylene Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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