Environmental Engineering in CE __________ can not control the noise pollution. Tree plantation Vibration damping Green house gases Use of silencers Tree plantation Vibration damping Green house gases Use of silencers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Particles having diameter greater than 75 μm (micrometer = 10-6 mm) are called Powder Grit Smoke Dust Powder Grit Smoke Dust 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? Sulphur dioxide & spray of weed killers Carbon monoxide Hydrogen fluoride & nitrogen oxides Smog & ozone Sulphur dioxide & spray of weed killers Carbon monoxide Hydrogen fluoride & nitrogen oxides Smog & ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for Conversion of CO into CO₂ in the second compartment All of these Conversion of NOx into N₂ and NH₃ in the first compartment Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment All of these Conversion of NOx into N₂ and NH₃ in the first compartment Oxidation of unburnt hydrocarbon fuel in the second compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Reduction Dehydration Oxidation Fermentation Reduction Dehydration Oxidation Fermentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Polluted water having low BOD are most economically treated in Clarifier Oxidation ponds Sludge digester Sedimentation tanks Clarifier Oxidation ponds Sludge digester Sedimentation tanks ANSWER DOWNLOAD EXAMIANS APP
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