Environmental Engineering in CE A shallow pond in which the sewage is retained and biologically treated is called Imhoff tank Lagoon Skimming tank Oxidation Imhoff tank Lagoon Skimming tank Oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The progressive warming up of the earth's surface is mainly due to the Automobile exhaust Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere De-forestation Automobile exhaust Thickening of ozone layer Blanketing effect of CO₂ in the atmosphere De-forestation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Tri-sodium phosphate is used in boiler water treatment to reduce Turbidity Suspended silica Caustic embrittlement Dissolved oxygen Turbidity Suspended silica Caustic embrittlement Dissolved oxygen ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ambient noise level can be reduced by __________ decibels by planting trees (like coconut, neem etc.) near public utility buildings (like hospitals & schools). 25-30 43832 43961 15-20 25-30 43832 43961 15-20 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)? Activated carbon adsorption Lagooning Chemical coagulation Biological oxidation pond Activated carbon adsorption Lagooning Chemical coagulation Biological oxidation pond ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Hydrochloric acid Copper sulphate Lime Sodium sulphate Hydrochloric acid Copper sulphate Lime Sodium sulphate ANSWER DOWNLOAD EXAMIANS APP