Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Oxidation Imhoff tank Lagoon Skimming tank Oxidation Imhoff tank Lagoon Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 5 50 1 500 5 50 1 500 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise pollution level in a chemical plant is expressed in Roentgen None of these Hertz Decibel Roentgen None of these Hertz Decibel ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Asphyxiation (suffocation) Bone decay Anemia Cancer Asphyxiation (suffocation) Bone decay Anemia Cancer ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 25 100 0.1 1000 25 100 0.1 1000 ANSWER DOWNLOAD EXAMIANS APP
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