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 Chlorination Treating in biological oxygen pond None of these Chemical coagulation Chlorination Treating in biological oxygen pond None of these Chemical coagulation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of non-biodegradable substances, like alkyl benzene sulphonate (ABS) from the detergents in polluted water stream causes Fire hazards Depletion of dissolved oxygen Explosion hazards Persistent foam Fire hazards Depletion of dissolved oxygen Explosion hazards Persistent foam ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ can not control the noise pollution. Green house gases Vibration damping Tree plantation Use of silencers Green house gases Vibration damping Tree plantation Use of silencers 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 Photochemical smog Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile Photochemical smog Benzopyrene Peroxy acetyl nitrate (PAN) or methyl nitrile Poly acrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm. 2000 100 5 1000 2000 100 5 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Main pollutants released from petroleum refineries is SO₃, NO₂ & CO₂ CO, SO₂ & H₂S CO₂, NO & SO₃ CO₂, H₂S & NO₂ SO₃, NO₂ & CO₂ CO, SO₂ & H₂S CO₂, NO & SO₃ CO₂, H₂S & NO₂ ANSWER DOWNLOAD EXAMIANS APP
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