Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for All of these Conversion of CO into CO₂ in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment Oxidation of unburnt hydrocarbon fuel in the second compartment All of these Conversion of CO into CO₂ in the second compartment 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 High noise levels produced during operation of fans and compressors can be reduced by using Mufflers (silencers) None of these Accoustical absorbent Lagging of noisy duct Mufflers (silencers) None of these Accoustical absorbent Lagging of noisy duct ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The permissible color for domestic water supply is __________ ppm. 100 1 1000 20 100 1 1000 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutant present in automobile exhaust is CO₂ CO NO Hydrocarbons CO₂ CO NO Hydrocarbons ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is an adsorbant for removal of nitrogen oxides from gas/air? Silica gel Bog iron (iron oxide) Active carbon Pulverised limestone Silica gel Bog iron (iron oxide) Active carbon Pulverised limestone ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Beyond what concentration of H₂S in air, acute danger to human life exists? 300 ppm 700 ppm 100 ppm 50 ppm 300 ppm 700 ppm 100 ppm 50 ppm ANSWER DOWNLOAD EXAMIANS APP
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