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 Chlorination Chemical coagulation Treating in biological oxygen pond None of these Chlorination Chemical coagulation 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. Aerobic Saphrophytic Anaerobic Parasitic Aerobic Saphrophytic Anaerobic Parasitic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE __________ is removed from water by lime-soda process. Temporary hardness Iron and manganese Foul smell and taste Permanent hardness Temporary hardness Iron and manganese Foul smell and taste Permanent hardness ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE What are the methods of treatment & disposal of radioactive wastes? All of these Biological methods & adsorption in ion exchange materials Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea All of these Biological methods & adsorption in ion exchange materials Evaporation & chemical precipitation Fixing into a solid mass with cement and sinking deep in the sea ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of iron and manganese in water causes None of these Temporary hardness Reduction in its dissolved oxygen content Discoloration of bathroom fixtures None of these Temporary hardness Reduction in its dissolved oxygen content Discoloration of bathroom fixtures ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Grit chamber Skimming tank Detritus tank Trickling filter Grit chamber Skimming tank Detritus tank ANSWER DOWNLOAD EXAMIANS APP
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