Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for Conversion of NOx into N₂ and NH₃ in the first compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of CO into CO₂ in the second compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Copper sulphate Activated carbon Alum Bleaching powder Copper sulphate Activated carbon Alum Bleaching powder ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to SO₂ containing chimney gases results in the All of these Acceleration of corrosion rates of metals Increased drying & hardening time of paints Reduction in strength of leather & cloth All of these Acceleration of corrosion rates of metals Increased drying & hardening time of paints Reduction in strength of leather & cloth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foaming and priming in boiler operation can be reduced by reduction in __________ in feed water. All of these Color (Hazen) Turbidity Total solids All of these Color (Hazen) Turbidity Total solids ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The disinfection efficiency of chlorine increases by(i) Decreasing the time of contact(ii) Decreasing the temperature of water(iii) Increasing the temperature of water Both (i) and (ii) Only (i) Both (i) and (iii) Only (iii) Both (i) and (ii) Only (i) Both (i) and (iii) Only (iii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants? F Hg SO₂ NOx F Hg SO₂ NOx ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS