Environmental Engineering in CE 'Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a 'particulate'? Photochemical smog & soot Smoke & fumes Dust & mists None of these Photochemical smog & soot Smoke & fumes Dust & mists None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Colorimeter Electro-chemical cell Turbidimeter Tintometer Colorimeter Electro-chemical cell Turbidimeter Tintometer 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 Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Treating in biological oxygen pond Chemical coagulation None of these Chlorination Treating in biological oxygen pond Chemical coagulation None of these Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Chlorine Cation exchanger Coagulation Irradiation of water by ultraviolet light Chlorine Cation exchanger Coagulation Irradiation of water by ultraviolet light ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of potable water should be between 1 to 1.5 4 to 5 6.5 to 8 13 to 14 1 to 1.5 4 to 5 6.5 to 8 13 to 14 ANSWER DOWNLOAD EXAMIANS APP