Environmental Engineering in CE During sewage treatment, the sewage is subjected to __________ treatment in Imhoff tank. Both B and C Digestion Filtration Sedimentation Both B and C Digestion Filtration Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Dissolved oxygen content in river water is around __________ ppm. 500 250 5 100 500 250 5 100 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Maximum permissible limit of mercury in human blood is __________ micrograms/100 c.c. 82 1 19 7 82 1 19 7 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Chlorine Irradiation of water by ultraviolet light Coagulation Cation exchanger Chlorine Irradiation of water by ultraviolet light Coagulation Cation exchanger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Exposure to chemicals having carcinogenic properties cause Dermatitis (skin disorder) Asthma Cancer Asphyxiation (suffocation) Dermatitis (skin disorder) Asthma Cancer Asphyxiation (suffocation) ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Presence of volatile compounds like gasoline, oil, alcohol, ether etc. in municipal sewers may cause Undesirable plant growth Non biodegradable foam Corrosion Explosion Undesirable plant growth Non biodegradable foam Corrosion Explosion ANSWER DOWNLOAD EXAMIANS APP