Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Digestion Filtration Sedimentation Both B and C Digestion Filtration Sedimentation Both B and C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most major constituents of air pollutants? Hydrogen sulphide Oxides of nitrogen Carbon monoxide Oxides of sulphur Hydrogen sulphide Oxides of nitrogen Carbon monoxide Oxides of sulphur ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Cation exchanger Irradiation of water by ultraviolet light Coagulation Chlorine Cation exchanger Irradiation of water by ultraviolet light Coagulation Chlorine ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of industrial noise as recommended by World Health Organisation (WHO) is __________ decibels. 95 105 75 35 95 105 75 35 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Alum Bleaching powder Activated carbon Copper sulphate Alum Bleaching powder Activated carbon Copper sulphate 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 Green house effect Rain Vegetation Forestation Green house effect Rain Vegetation Forestation ANSWER DOWNLOAD EXAMIANS APP
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