Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Lagoon Oxidation Imhoff tank Skimming tank Lagoon Oxidation Imhoff tank 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. 50 5 1 500 50 5 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 Cancer Asphyxiation (suffocation) Anemia Bone decay Cancer Asphyxiation (suffocation) Anemia Bone decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ozone (O₃) and phosgene (COCl₂) in air is __________ ppm. 1000 100 25 0.1 1000 100 25 0.1 ANSWER DOWNLOAD EXAMIANS APP
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