Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 100 200 400 20 100 200 400 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sound produced by an automobile horn heard at a distance of 1.5 metres corresponds to about __________ decibels. 180 120 150 90 180 120 150 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Turbidity of water is an indication of the presence of Suspended inorganic matter Dissolved gases Floating solids Dissolved solids Suspended inorganic matter Dissolved gases Floating solids Dissolved solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Tanneries Chloro-alkali industry Phosphoric acid plant Beverage plant Tanneries Chloro-alkali industry Phosphoric acid plant Beverage plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 80% less than 200 mesh size particles are called Aggregates Smoke Powder Grit Aggregates Smoke Powder Grit ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is H₂ CO₂ CH₄ CO H₂ CO₂ CH₄ CO ANSWER DOWNLOAD EXAMIANS APP
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