Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Scale formation Water-borne disease Dental cavities Corrosion Scale formation Water-borne disease Dental cavities Corrosion ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The pH value of oxidised sewage is about 13.4 7.3 1.8 6.2 13.4 7.3 1.8 6.2 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 100 5 500 250 100 5 500 250 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh sewage is __________ in nature. Alkaline Highly acidic Acidic Neutral Alkaline Highly acidic Acidic Neutral ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The biological decomposition of organic substances in wastes controlled conditions is called Incineration Composting None of these Biological oxidation Incineration Composting None of these Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is CH₄ CO CO₂ N₂ CH₄ CO CO₂ N₂ ANSWER DOWNLOAD EXAMIANS APP
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