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
Environmental Engineering in CE Biological oxidation ponds remove organic matters present in the polluted water by Using the activities of bacteria and other micro organisms Neither A nor B Both A & B Aerobic oxidation Using the activities of bacteria and other micro organisms Neither A nor B Both A & B Aerobic oxidation ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about __________ ppm. 500 5 50 1 500 5 50 1 ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Ionisation potential employed in the industrial electrostatic precipitator is of the order of 230 V DC 30 to 70 kV DC 30 to 70 kV AC 230 V AC 230 V DC 30 to 70 kV DC 30 to 70 kV AC 230 V AC ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Fresh domestic sewage is __________ in color. Red Dark brown Grey Black Red Dark brown Grey Black ANSWER DOWNLOAD EXAMIANS APP
Environmental Engineering in CE Lagooning process is mainly a means of the Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these Biological treatment of wastes Reduction of excessive flow in sewers Sludge disposal None of these ANSWER DOWNLOAD EXAMIANS APP