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). 43961 25-30 43832 15-20 43961 25-30 43832 15-20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate Chloramine Hydrated lime Aluminium sulphate Ferrous sulphate ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lead exhausted in the atmosphere by automobiles using leaded petrol (i.e. tetraethyl lead for improving octane number) is a lethal air pollutant which causes Nervous depression All of these Paralysis of muscles & loss of appetite Gastritis & diarrhea Nervous depression All of these Paralysis of muscles & loss of appetite Gastritis & diarrhea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following industries discharge mercury as a pollutant? Tanneries Beverage plant Chloro-alkali industry Phosphoric acid plant Tanneries Beverage plant Chloro-alkali industry Phosphoric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most severe air pollutant? NOx SO₂ Hydrocarbons CO NOx SO₂ Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
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