Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Tanneries Beverage plant Phosphoric acid plant Chloro-alkali industry Tanneries Beverage plant Phosphoric acid plant Chloro-alkali industry ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is a secondary air pollutant? Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles Photochemical smog Sulphur dioxide Nitrogen dioxide Dust particles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Aerosols present in atmospheric air may be Combination of all A, B & C Neutral Negatively charged Positively charged Combination of all A, B & C Neutral Negatively charged Positively charged ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Chloramine Aluminium sulphate Hydrated lime Ferrous sulphate Chloramine Aluminium sulphate Hydrated lime Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 500 1 50 5 500 1 50 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of nitrogen and phosphorous in waste water discharged into lakes and ponds causes Undesirable plant growth Odour nuisances Foaming Turbidity Undesirable plant growth Odour nuisances Foaming Turbidity ANSWER DOWNLOAD EXAMIANS APP