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 MCQsFor a transformer, operating at constant load current, maximum efficiency will oThe efficiency of two identical transformers under load conditions can be determThe no load current in a transformer lags behind the applied voltage by an angle