MCQ PracticeAerobic biological oxidation ponds used for the purification of polluted waterSubject: Chemical EngineeringTopic: Environmental Engineering In CeADestroys/removes pathogen from the sewageBIs not very effective for nonbiodegradable substances (e.g. ABS) containing effluentsCDestroys/removes pathogen much more effectively if the sewage is chlorinatedDAll of the aboveCorrect Answer: DPractice QuizBack to MCQsRelated MCQsCurrent flows in a circuit whenEighttenths coulomb passes a point in 4 s. The current in amperes isThe unit of electrical charge is the