Environmental Engineering in CE Which of the following processes is involved in the biochemical treatment of sewage effluents? Fermentation Dehydration Reduction Oxidation Fermentation Dehydration Reduction Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Coagulation and filtration None of these Adsorption in ion exchange materials Biological oxygen treatment Coagulation and filtration None of these Adsorption in ion exchange materials Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The principal gas evolved from sludge digestion tank is N₂ CO CO₂ CH₄ N₂ CO CO₂ CH₄ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Out of the following, TLV of __________ is maximum (about 500 ppm). Carbon dioxide Carbon disulphide Toluene Acetaldehyde Carbon dioxide Carbon disulphide Toluene Acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Smoke Colloids or aerosols Dust Powder Smoke Colloids or aerosols Dust Powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Sooty and sulphurous smog formed due to combustion of fossil fuels particularly in winter, continues throughout the day and night. When the moist atmospheric air's water vapor condenses on the solid particles of smoke thereby forming smog (smoke + fog), it causes Poor visibility due to sky darkening All of these Respiratory trouble Irritation in eyes Poor visibility due to sky darkening All of these Respiratory trouble Irritation in eyes ANSWER DOWNLOAD EXAMIANS APP
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