MCQ PracticeHigher furnace temperature can not be achieved by use of a lean fuel gas in the furnace bySubject: Chemical EngineeringTopic: Furnace TechnologyAIncreasing the draft in the furnaceBPreheating the fuel gasCOxygen enrichment of combustion airDPreheating the combustion airCorrect 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