Environmental Engineering in CE Lagooning process is mainly a means of the Reduction of excessive flow in sewers Biological treatment of wastes None of these Sludge disposal Reduction of excessive flow in sewers Biological treatment of wastes None of these Sludge disposal ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Cleaning is done by(i) Scraping and removal in filters slow sand(ii) Back washing in slow sand filters(iii) Scraping and removal in filters rapid sand(iv) Back washing in rapid sand filtersThe correct answer is (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbonaceous particles having size less than 1 μm are called Aggregates Aerosols Smoke Grit Aggregates Aerosols Smoke Grit ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.1 0.01 4 1 0.1 0.01 4 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Phosphoric acid plant Beverage plant Tanneries Chloro-alkali industry Phosphoric acid plant Beverage plant Tanneries Chloro-alkali industry ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The length of rectangular sedimentation tank should not be more than(Where ‘B’ is the width of the tank) 8B 2B B 4B 8B 2B B 4B ANSWER DOWNLOAD EXAMIANS APP
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