Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Aerobic oxidation Neither A nor B Using the activities of bacteria and other micro organisms Both A & B Aerobic oxidation Neither A nor B Using the activities of bacteria and other micro organisms Both A & B ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE World's worst radioactive pollution was caused by nuclear reactor disaster which occured in Arizona (U.S.A.) Moscow (U.S.S.R.) Pensylvania (U.S.A.) Chernobyl (undivided U.S.S.R.) Arizona (U.S.A.) Moscow (U.S.S.R.) Pensylvania (U.S.A.) Chernobyl (undivided U.S.S.R.) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fine grit present in sewage is removed in the __________ during sewage treatment. Trickling filter Detritus tank Grit chamber Skimming tank Trickling filter Detritus tank Grit chamber Skimming tank ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE 5-200 μm size particles are called Smoke Powder Dust Colloids or aerosols Smoke Powder Dust Colloids or aerosols ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Most of the bacteria in sewage are Saprophytic None of these Parasitic Anerobic Saprophytic None of these Parasitic Anerobic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE The main type of sludge gas evolved during sewage treatment in Imhoff tank is CH₄ CO₂ CO H₂ CH₄ CO₂ CO H₂ ANSWER DOWNLOAD EXAMIANS APP