Environmental Engineering in CE Maximum permissible turbidity in potable water is __________ ppm. 10 1000 1 250 10 1000 1 250 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume). 3 7 20 1 3 7 20 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Bog iron Limestone powder Active carbon Silica gel Bog iron Limestone powder Active carbon Silica gel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The resistance of water to the passage of light through it is a measure of the Dissolved gases Color Turbidity Hardness Dissolved gases Color Turbidity Hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Coal mines drainage waste water (acidic in nature) results from the earth's water percolating through the voids created in coal bed during mining. This polluted water which either drains out naturally to water courses or are removed before starting the mining is Neutralised by alkali treatment Diluted with fresh water to reduce its acidity None of these Left as such without any treatment Neutralised by alkali treatment Diluted with fresh water to reduce its acidity None of these Left as such without any treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Color Foul odour Bacteria Bad taste Color Foul odour Bacteria Bad taste ANSWER DOWNLOAD EXAMIANS APP
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