Environmental Engineering in CE Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in Food industry Municipal sewage treatment Petroleum refinery Iron & steel plant Food industry Municipal sewage treatment Petroleum refinery Iron & steel plant ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive solid nuclear wastes are disposed off by Pathological incineration Pyrolysis Underground burial in concrete containers High temperature incineration Pathological incineration Pyrolysis Underground burial in concrete containers High temperature incineration ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum allowable concentration of CO₂ in air for safe working is __________ ppm (parts per million). 2000 1000 50 5000 2000 1000 50 5000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Insufficient washing of sand grains in a rapid sand filter causes Expansion of filtering media Mud balls Shrinkage of filtering media Air binding Expansion of filtering media Mud balls Shrinkage of filtering media Air binding ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Pensylvania (U.S.A.) Moscow (U.S.S.R.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) Pensylvania (U.S.A.) Moscow (U.S.S.R.) Arizona (U.S.A.) Chernobyl (undivided U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Radioactive substances present in the polluted water stream can be removed by Coagulation and filtration None of these Adsorption in ion exchange materials Biological oxygen treatment Coagulation and filtration None of these Adsorption in ion exchange materials Biological oxygen treatment ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS