Environmental Engineering in CE The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU). 230 1500 750 20 230 1500 750 20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following pollutants is absent in the emissions from a fertiliser plant ? NO₂ SO₂ & SO₃ CO NH₃ NO₂ SO₂ & SO₃ CO NH₃ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carbon monoxide is a pollutant, which causes Damage to building materials like marble Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Retardation in crop growth Damage to building materials like marble Respiratory disease (e.g. asthma) Asphyxiation (suffocation) leading to death Retardation in crop growth ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dose of chlorine for disinfection of water is about __________ mg/litre of water. 0.01 0.3 1 0.1 0.01 0.3 1 0.1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to small amount of __________ results in high blood pressure & heart disease in human beings. Cadmium Mercury Asbestos Hydrogen sulphide Cadmium Mercury Asbestos Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In the context of the chemical process industries, the term BOD is normally associated with the Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of boiler feed water Characterisation of liquid effluents Organic concentration in gaseous effluents Characterisation of solid wastes Characterisation of boiler feed water ANSWER DOWNLOAD EXAMIANS APP
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