MCQ PracticeThickness of stock does not affect the fuel economy of furnaces, if the material to be heated is ofSubject: Chemical EngineeringTopic: Furnace TechnologyALow emissivityBHigh thermal conductivityCBoth A and BDNeither A nor BCorrect Answer: CPractice 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