Environmental Engineering in CE Aerosols present in atmospheric air may be Positively charged Neutral Negatively charged Combination of all A, B & C Positively charged Neutral Negatively charged Combination of all A, B & C ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of liquid effluents Characterisation of boiler feed water Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of liquid effluents Characterisation of boiler feed water 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 Explosion hazards Depletion of dissolved oxygen Persistent foam Fire hazards Explosion hazards Depletion of dissolved oxygen Persistent foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by Photosynthetic action of algae Natural aeration of water stream Neither A nor B Both A & B Photosynthetic action of algae Natural aeration of water stream Neither A nor B Both A & B 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 Sulphides Chlorides Bi-carbonates Carbonates Sulphides Chlorides Bi-carbonates Carbonates ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a manmade source of air pollution? Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire Automobile exhaust All of these Bacterial action in soil and swamp areas Forest fire ANSWER DOWNLOAD EXAMIANS APP