Environmental Engineering in CE As per the world health organisation (WHO) specification, the maximum permissible concentration (i.e., TLV) of particulate matter in air is __________ μg/m³.(μg-microgram) 750 800 10 90 750 800 10 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Reingleman chart is used for the evaluation of __________ pollution. Water Noise Air Radioactive Water Noise Air Radioactive ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The function of skimming tank in sewage treatment is to remove __________ substances. Oil & fatty Gritty & inorganic Suspended solid Dissolved solid Oil & fatty Gritty & inorganic Suspended solid Dissolved solid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a secondary air pollutant? Sulphur dioxide All of these Ozone Photochemical smog Sulphur dioxide All of these Ozone Photochemical smog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Photochemical smog Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Photochemical smog Benzopyrene ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Skimming off Biological oxidation Chlorination Sedimentation Skimming off Biological oxidation Chlorination Sedimentation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS