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 Treating in biological oxygen pond None of these Chemical coagulation Chlorination Treating in biological oxygen pond None of these Chemical coagulation Chlorination ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Noise level heard inside a bus in busy city traffic or inside a sub-way train corresponds to about __________ decibels. 75 120 140 95 75 120 140 95 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE A masonry structure built below ground level, where biochemical reaction takes place due to anaerobic bacteria is called Septic tank Lagoon Cesspool Skimming mill Septic tank Lagoon Cesspool Skimming mill ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria. Saphrophytic Anaerobic Aerobic Parasitic Saphrophytic Anaerobic Aerobic Parasitic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The Killer gas which caused Bhopal gas tragedy in 1984 was Methyl iso-cynate (MIC) Phosgene Sulphur dioxide Carbon monoxide Methyl iso-cynate (MIC) Phosgene Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Non biodegradable foam Undesirable plant growth Corrosion Explosion Non biodegradable foam Undesirable plant growth Corrosion Explosion ANSWER DOWNLOAD EXAMIANS APP
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