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