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). 43832 43961 25-30 15-20 43832 43961 25-30 15-20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pick out the one which is not a chemical coagulant. Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime Chloramine Aluminium sulphate Ferrous sulphate Hydrated lime 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 Gastritis & diarrhea Paralysis of muscles & loss of appetite Nervous depression All of these Gastritis & diarrhea Paralysis of muscles & loss of appetite 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 Which of the following is the most severe air pollutant? CO NOx Hydrocarbons SO₂ CO NOx Hydrocarbons SO₂ ANSWER DOWNLOAD EXAMIANS APP
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