Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Sedimentation Skimming off Biological oxidation Chlorination Sedimentation Skimming off Biological oxidation Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? All of these Ozone Sulphur dioxide Photochemical smog All of these Ozone Sulphur dioxide Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 30 to 70 kV AC 230 V AC 30 to 70 kV DC 230 V DC 30 to 70 kV AC 230 V AC 30 to 70 kV DC 230 V DC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents Characterisation of liquid effluents Characterisation of boiler feed water Characterisation of solid wastes Organic concentration in gaseous effluents ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 15-20 43832 43961 25-30 15-20 43832 43961 25-30 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Moscow (U.S.S.R.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Moscow (U.S.S.R.) Arizona (U.S.A.) ANSWER DOWNLOAD EXAMIANS APP
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