Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Turbidity Caustic embrittlement Suspended silica Dissolved oxygen Turbidity Caustic embrittlement Suspended silica Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 9 to 10 15 to 20 1 to 2 4 to 5 9 to 10 15 to 20 1 to 2 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Biological oxygen treatment Coagulation and filtration None of these Adsorption in ion exchange materials Biological oxygen treatment Coagulation and filtration None of these Adsorption in ion exchange materials ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Soluble silica present in boiler feed water can be removed by Anion exchanger Coagulation Preheating it Filtration Anion exchanger Coagulation Preheating it Filtration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Asphyxiation (suffocation) Cancer Bone decay Anemia Asphyxiation (suffocation) Cancer Bone decay Anemia ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants, if present in atmosphere is detectable by its odour? CO₂ NO₂ CO SO₂ CO₂ NO₂ CO SO₂ ANSWER DOWNLOAD EXAMIANS APP
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