Environmental Engineering in CE Algae growth in water is controlled by Deoxidation Chlorination Bleaching Aeration Deoxidation Chlorination Bleaching Aeration 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). 1.2 0.002 0.2 4.8 1.2 0.002 0.2 4.8 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 Limestone powder or alkalised alumina Active carbon Silica gel Bog iron Limestone powder or alkalised alumina Active carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following sources is responsible for maximum air pollution? Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust Forest fire Photochemical oxidation of organic matter Industrial chimney exhaust Automobiles exhaust Forest fire ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Deaeration of high pressure boiler feed water is done to reduce Caustic embrittlement Foaming from boilers Its silica content Its dissolved oxygen content Caustic embrittlement Foaming from boilers Its silica content Its dissolved oxygen content ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 230 750 1500 20 230 750 1500 20 ANSWER DOWNLOAD EXAMIANS APP
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