MCQ PracticePrimary air is that air which is used toSubject: Electrical EngineeringTopic: Power Plant Engineering In EeAreduce the flame lengthBincrease the flame lengthCtransport and dry the coalDprovide air around burners for getting optimum combustionCorrect 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