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