Environmental Engineering in CE Presence of soluble organics in polluted water causes Fire hazards Explosion hazards Depletion of oxygen Undesirable plants growth Fire hazards Explosion hazards Depletion of oxygen Undesirable plants growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant used for the removal of SO₂ from gas/air? Silica gel Bog iron Active carbon Limestone powder or alkalised alumina Silica gel Bog iron Active carbon Limestone powder or alkalised alumina ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million). 4.8 0.2 1.2 0.002 4.8 0.2 1.2 0.002 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Oil and grease present in an emulsified state in waste water discharged from industries can be removed by Settling out using chemical reagents Chlorination Skimming off Biological oxidation Settling out using chemical reagents Chlorination Skimming off Biological oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Pollution by particulate matter emission in the atmosphere does not take place during metal Machining Grinding Cutting Polishing Machining Grinding Cutting Polishing ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of dissolved impurities of __________ is responsible for the red brownish color of water. Carbonates Iron & manganese Arsenic Bi-carbonates Carbonates Iron & manganese Arsenic Bi-carbonates ANSWER DOWNLOAD EXAMIANS APP