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