MCQ PracticeIn a muffle furnace, the muffleSubject: Chemical EngineeringTopic: Furnace TechnologyARetards the heat transferBAssists in temperature equalisation in the chargeCPermits the use of controlled atmosphere for the protection of stockDAll 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