Environmental Engineering in CE Automobile exhaust is passed through two compartments catalytic converter employing platinum as catalyst for All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment Conversion of CO into CO₂ in the second compartment All of these Oxidation of unburnt hydrocarbon fuel in the second compartment Conversion of NOx into N₂ and NH₃ in the first compartment Conversion of CO into CO₂ in the second compartment ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main industrial source of emission of hydrogen sulphide air pollutant is Coal based thermal power plants Petroleum refineries Metallurgical roasting & smelting plant Pulp and paper plant Coal based thermal power plants Petroleum refineries Metallurgical roasting & smelting plant Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Shouting by a man at his full voice corresponds to a voice level of about __________ decibels. 50 25 80 120 50 25 80 120 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels. 120 90 20 60 120 90 20 60 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lung cancer & DNA breakage are the major ill effects of excessive ozone exposure to human beings. Ozone layer depletion in the atmosphere is mainly caused by the presence of CFC (chloro fluoro carbon) CO₂ Hydrocarbons SO₂ CFC (chloro fluoro carbon) CO₂ Hydrocarbons SO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is not a weightless pollutant? SPM Thermal pollution Noise pollution Radioactive rays SPM Thermal pollution Noise pollution Radioactive rays ANSWER DOWNLOAD EXAMIANS APP
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