MCQ PracticeWhich of the following advantages is not associated with the use of preheated air for combustion of a fuel in the furnace?Subject: Chemical EngineeringTopic: Furnace TechnologyAIncrease in calorific value of the fuelBIncrease in flame temperatureCReduction in scale lossesDSaving in fuel consumptionCorrect 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