Environmental Engineering in CE Main pollutants released from iron & steel industry is SO₃, NO₂ & CO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO, CO₂ & SO₂ H₂S, NO & SO₃ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Higher concentration of CO₂ in atmosphere Prevents solar heat being radiated out completely, resulting in All of these Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through Prevents solar heat being radiated out completely, resulting in All of these Reflects and absorbs the longer wavelength (infra-red) radiations Allows visible solar radiation (ultraviolet) of short wave-length to pass through ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise emitted by a ventilation fan at a distance of 3 metres is about __________ decibels. 145 85 105 125 145 85 105 125 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Foul odour and bad taste of water is removed by treating with Bleaching powder Alum Copper sulphate Activated carbon Bleaching powder Alum Copper sulphate Activated carbon ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Phenolic water generated in coke ovens & by-product plant attached to an integrated steel plant containing phenol in concentration of less than 100 mg/litre can be removed by Chemical coagulation Treating in biological oxygen pond Chlorination None of these Chemical coagulation Treating in biological oxygen pond Chlorination None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the De-forestation Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust De-forestation Blanketing effect of CO₂ in the atmosphere Thickening of ozone layer Automobile exhaust ANSWER DOWNLOAD EXAMIANS APP
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