Environmental Engineering in CE Presence of a certain minimum quantity of flourine is desirable in potable water to prevent Corrosion Dental cavities Scale formation Water-borne disease Corrosion Dental cavities Scale formation Water-borne disease ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World environment day is observed every year on the 5th of June September July December June September July December ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The commonest form of iron & manganese found in ground water as pollutant is in the form of their Chlorides Bi-carbonates Sulphides Carbonates Chlorides Bi-carbonates Sulphides Carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a secondary air pollutant? Dust particles Nitrogen dioxide Sulphur dioxide Photochemical smog Dust particles Nitrogen dioxide Sulphur dioxide Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Coagulation and filtration Biological oxygen treatment Adsorption in ion exchange materials None of these Coagulation and filtration Biological oxygen treatment Adsorption in ion exchange materials None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Fire hazards Persistent foam Depletion of dissolved oxygen Explosion hazards Fire hazards Persistent foam Depletion of dissolved oxygen Explosion hazards ANSWER DOWNLOAD EXAMIANS APP
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