MCQ PracticeIn order to maintain an oxidising atmosphere in a furnace, it should haveSubject: Chemical EngineeringTopic: Furnace TechnologyAMore of excess airBLess of excess airCMore of CO in flue gasDMore of CO 2 in flue gasCorrect Answer: APractice 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