Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Skimming off Settling out using chemical reagents Chlorination Biological oxidation Skimming off Settling out using chemical reagents Chlorination Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Mercury Cadmium Hydrogen sulphide Asbestos Mercury Cadmium Hydrogen sulphide Asbestos ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level inside a jet air liner in normal flight is about __________ decibels. 145 80 100 125 145 80 100 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE When the concentration of SO₂ in air is greater than __________ ppm, it gives a pungent smell. 0.1 0.01 1 4 0.1 0.01 1 4 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Inorganic impurities causing water pollution is Carbohydrates Protein Fats Salts of metals Carbohydrates Protein Fats Salts of metals ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of NO₂ & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO₂ causes Bronchitis Skin disorder Cancer Bone disease Bronchitis Skin disorder Cancer Bone disease ANSWER DOWNLOAD EXAMIANS APP
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