Environmental Engineering in CE The lowest layer of atmosphere is known as the Stratosphere Troposphere Ionosphere None of these Stratosphere Troposphere Ionosphere None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Bleaching powder Activated carbon Copper sulphate Alum Bleaching powder Activated carbon Copper sulphate Alum ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? NOx F SO₂ Hg NOx F SO₂ Hg ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Activated carbon adsorption Chemical coagulation Biological oxidation pond Lagooning Activated carbon adsorption Chemical coagulation Biological oxidation pond Lagooning ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment plant, zeolite process is used to remove the __________ of water. Alkalinity Hardness Iron & zinc Acidity Alkalinity Hardness Iron & zinc Acidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 105 75 95 35 105 75 95 35 ANSWER DOWNLOAD EXAMIANS APP
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