Environmental Engineering in CE Which is the most practical and economical method for removal of suspended solid matter from polluted water? Sedimentation Chlorination Biological oxidation Skimming off Sedimentation Chlorination Biological oxidation Skimming off ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Disinfection of water is done to remove Foul odour Bad taste Color Bacteria Foul odour Bad taste Color Bacteria ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE H₂S present in gaseous stream can be removed by adsorption on Silica gel Active carbon Limestone powder Bog iron Silica gel Active carbon Limestone powder Bog iron ANSWER DOWNLOAD EXAMIANS APP
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) 10 750 800 90 10 750 800 90 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes Fading of dyes on textiles All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles Fading of dyes on textiles All of these Corrosion, tarnishing & soiling of metals Reduced strength of textiles ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is not emitted during volcanic eruptions? Hydrocarbons SO₂ H₂S CO Hydrocarbons SO₂ H₂S CO ANSWER DOWNLOAD EXAMIANS APP
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