Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation Irradiation of water by ultraviolet light Cation exchanger Chlorine Coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oilish impurities present the effluent discharged from the electroplating industry is normally not removed by Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation Floatation & skimming Ultrafiltration Centrifugation Chemical coagulation 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 Hg F SO₂ NOx Hg F SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant of a steel plant are disposed off by None of these Filtration and recycling for cooling coke oven gas Discharging in the river stream Quenching of hot coke None of these Filtration and recycling for cooling coke oven gas Discharging in the river stream Quenching of hot coke ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The destruction of water-borne pathogens is termed as disinfection of water. Which of the following is a water disinfectant? Chlorine Alkalis Benzene hexachloride Alkyl benzene sulphonate (ABS) Chlorine Alkalis Benzene hexachloride Alkyl benzene sulphonate (ABS) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Tree plantation Vibration damping Use of silencers Green house gases Tree plantation Vibration damping Use of silencers Green house gases ANSWER DOWNLOAD EXAMIANS APP
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