Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Dissolved oxygen Suspended silica Caustic embrittlement Turbidity Dissolved oxygen Suspended silica Caustic embrittlement Turbidity 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 Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis Chlorine Benzene hexachloride Alkyl benzene sulphonate (ABS) Alkalis 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 Left as such without any treatment None of these Neutralised by alkali treatment Diluted with fresh water to reduce its acidity Left as such without any treatment None of these Neutralised by alkali treatment Diluted with fresh water to reduce its acidity ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Neutral Combination of all A, B & C Negatively charged Positively charged Neutral Combination of all A, B & C Negatively charged Positively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 70 20 85 40 70 20 85 40 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fluorosis is caused due to the presence of excessive amount of __________ in drinking water. Mercury Arsenic Fluoride Lead Mercury Arsenic Fluoride Lead ANSWER DOWNLOAD EXAMIANS APP
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