Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 20 1 1000 100 20 1 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Color test of water is done with an instrument called Turbidimeter Colorimeter Electro-chemical cell Tintometer Turbidimeter Colorimeter Electro-chemical cell Tintometer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following acts as a natural source of air pollution? Deforestation Forest fire None of these Volcanic eruption Deforestation Forest fire None of these Volcanic eruption ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Death may occur, when SO₂ concentration in atmospheric air exceeds __________ ppm. 100 20 400 200 100 20 400 200 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 Noise level in a quiet private business office is about __________ decibels. 50 25 85 70 50 25 85 70 ANSWER DOWNLOAD EXAMIANS APP
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