MCQ PracticeThe function of skimming tank in sewage treatment is to remove __________ substances.Subject: Chemical EngineeringTopic: Environmental Engineering In CeADissolved solidBSuspended solidCOil & fattyDGritty & inorganicCorrect Answer: CPractice 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