Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 5 1000 500 10000 5 1000 500 10000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Infective bacteria in water is killed by the __________ process. None of these Disinfection Aeration Sterilisation None of these Disinfection Aeration Sterilisation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Parasitic Saprophytic Anerobic None of these Parasitic Saprophytic Anerobic None of these ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Electrolytic decomposition Adsorption Reverse osmosis Ion exchange technique Electrolytic decomposition Adsorption Reverse osmosis Ion exchange technique ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, its sedimentation is speeded up by commonly adding Copper sulphate Sodium sulphate Lime Hydrochloric acid Copper sulphate Sodium sulphate Lime Hydrochloric acid ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by High temperature incineration Underground burial in concrete containers Pyrolysis Pathological incineration High temperature incineration Underground burial in concrete containers Pyrolysis Pathological incineration ANSWER DOWNLOAD EXAMIANS APP