Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 50 80 25 120 50 80 25 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Irradiation of water by ultraviolet light Coagulation Chlorine Cation exchanger Irradiation of water by ultraviolet light Coagulation Chlorine Cation exchanger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In large thermal power stations very fine particulates present in flue gas are removed by Wet scrubber Electrostatic precipitators Dust catcher Bag filter Wet scrubber Electrostatic precipitators Dust catcher Bag filter ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Carbon monoxide Sulphur dioxide Methyl iso-cynate (MIC) Phosgene Carbon monoxide Sulphur dioxide Methyl iso-cynate (MIC) Phosgene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In water treatment, alum[Al2(SO₄)3] is used for the process of Filtration Disinfection Sedimentation Coagulation Filtration Disinfection Sedimentation Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 1 0.1 0.01 4 1 0.1 0.01 4 ANSWER DOWNLOAD EXAMIANS APP
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