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 Chlorination None of these Treating in biological oxygen pond Chemical coagulation Chlorination None of these Treating in biological oxygen pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Septic tank is a(i) Settling tank(ii) Digestion tank(iii) Aeration tank Only (iii) Only (i) (i) and (iii) (i) and (ii) Only (iii) Only (i) (i) and (iii) (i) and (ii) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ plant emits large amount of SO₂ as an air pollutant. Chloralkali Iron & steel Sulphuric acid Nitric acid Chloralkali Iron & steel Sulphuric acid Nitric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the most efficient dust removal equipment for removal of sub-micronic dust particles from blast furnace gas? Gravity settling chamber Electrostatic precipitator Hydrocyclone Packed scrubber Gravity settling chamber Electrostatic precipitator Hydrocyclone Packed scrubber ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Carcinogenic air pollutants cause Cancer Anemia Asphyxiation (suffocation) Bone decay Cancer Anemia Asphyxiation (suffocation) Bone decay ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels. 60 90 120 105 60 90 120 105 ANSWER DOWNLOAD EXAMIANS APP