Environmental Engineering in CE __________ substances present in sewage are removed in grit chamber during sewage treatment. Organic Dissolved Fatty Inorganic Organic Dissolved Fatty Inorganic ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Which of the following is the most widely used disinfectant in water treatment? Irradiation of water by ultraviolet light Coagulation Chlorine Cation exchanger Irradiation of water by ultraviolet light Coagulation Chlorine Cation exchanger ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE In sewage treatment, the detention period allowed for oxidation ponds ranges from __________ weeks. 4 to 5 15 to 20 1 to 2 9 to 10 4 to 5 15 to 20 1 to 2 9 to 10 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm. 500 5 10000 1000 500 5 10000 1000 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Smog is A liquid particle resulting from vapor condensation A solid particle e.g. flyash Nothing but black smoke A combination of smoke and fog A liquid particle resulting from vapor condensation A solid particle e.g. flyash Nothing but black smoke A combination of smoke and fog ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Water effluent generated in printing industry is decolourised by Adsorption Electrolytic decomposition Reverse osmosis Ion exchange technique Adsorption Electrolytic decomposition Reverse osmosis Ion exchange technique ANSWER DOWNLOAD EXAMIANS APP