MCQ PracticeThermal efficiency of furnaces can be improved bySubject: Chemical EngineeringTopic: Furnace TechnologyAWaste heat recovery from flue gasBMinimising heat losses from furnace wallsCMaintaining proper draughtDAll of the aboveCorrect Answer: DPractice QuizBack to MCQsRelated MCQsI expect you from school by this time next year and for a job.Fill in the blank with the most appropriate word. She asked him where __________Fill in the blank with a suitable option: Nancy ___________to play tennis tomorr