Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for Conversion of CO into CO₂ in the second compartment All of these Conversion of NOx into N₂ and NH₃ in the first compartment Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment All of these Conversion of NOx into N₂ and NH₃ in the first compartment Oxidation of unburnt hydrocarbon fuel in the second compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Peroxyacyl nitrate (PAN), a pollutant is found in the Flue gas of coal based power plant Automobile exhaust Exhaust of nitric acid plant Exhaust of sulphuric acid plant Flue gas of coal based power plant Automobile exhaust Exhaust of nitric acid plant Exhaust of sulphuric acid plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Turbidity Dissolved oxygen Caustic embrittlement Suspended silica Turbidity Dissolved oxygen Caustic embrittlement Suspended silica ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 15 to 20 1 to 2 9 to 10 4 to 5 15 to 20 1 to 2 9 to 10 4 to 5 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Iron & manganese present in the polluted water is removed by Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only Simple filtration Chemical coagulation Oxidation followed by settling & filtration Chlorination only ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel. 5 20 10 1 5 20 10 1 ANSWER DOWNLOAD EXAMIANS APP
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