Environmental Engineering in CE Fresh sewage is __________ in nature. Neutral Alkaline Acidic Highly acidic Neutral Alkaline Acidic Highly acidic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? Hydrogen fluoride & nitrogen oxides Carbon monoxide Smog & ozone Sulphur dioxide & spray of weed killers Hydrogen fluoride & nitrogen oxides Carbon monoxide Smog & ozone Sulphur dioxide & spray of weed killers ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Nitrogen oxides (NOx) is not produced in the __________ industry. Nitrogenous fertiliser Nitric acid making Detergent Any of these Nitrogenous fertiliser Nitric acid making Detergent Any of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Sulphur dioxide Photochemical smog All of these Ozone Sulphur dioxide Photochemical smog All of these Ozone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) Both (i) and (iii) Both (i) and (ii) Only (iii) Only (i) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water filtration rate in a rapid sand filter ranges from __________ kilolitres/m²/hr. 15 to 20 3 to 6 0.1 to 1 10 to 15 15 to 20 3 to 6 0.1 to 1 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
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