Environmental Engineering in CE Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by Filtration Biological oxygen pond Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) Filtration Biological oxygen pond Lagoons Radial settling tank (thickener) using coagulant (lime & ferrous sulphate) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A 'body' which allows the short wavelength incoming solar radiation to enter in, but does not allow long wave length outgoing infra red radiation to escape out is called the Global warming Green house Ionosphere Atmospheric effect Global warming Green house Ionosphere Atmospheric effect ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Aluminium sulphate Chloramine Hydrated lime Ferrous sulphate Aluminium sulphate Chloramine Hydrated lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is Nothing but black smoke A solid particle e.g. flyash A combination of smoke and fog A liquid particle resulting from vapor condensation Nothing but black smoke A solid particle e.g. flyash A combination of smoke and fog A liquid particle resulting from vapor condensation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate? CO CFC (chloro fluoro carbons) NOx SO₂ CO CFC (chloro fluoro carbons) NOx SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 0.1 25 100 1000 0.1 25 100 1000 ANSWER DOWNLOAD EXAMIANS APP
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