Environmental Engineering in CE Which of the following is not a secondary air pollutant? Ozone Sulphur dioxide Photochemical smog All of these Ozone Sulphur dioxide Photochemical smog All of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Average human body contains about __________ percent water by weight. 70 85 40 20 70 85 40 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Direct reaction of unsaturated hydrocarbons with either NO or NO₂ produces an eye irritating pollutant compound known as Poly acrylonitrile Photochemical smog Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Photochemical smog Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum? Cruising Idle running Deaccelaration Acceleration Cruising Idle running Deaccelaration Acceleration 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 Metallurgical roasting & smelting plant Petroleum refineries Pulp and paper plant Coal based thermal power plants Metallurgical roasting & smelting plant Petroleum refineries Pulp and paper plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The lowest layer of atmosphere is known as the None of these Ionosphere Stratosphere Troposphere None of these Ionosphere Stratosphere Troposphere ANSWER DOWNLOAD EXAMIANS APP
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