MCQ PracticeThe efficiency of a modern boiler using coal and heat recovery equipment is aboutSubject: Electrical EngineeringTopic: Power Plant Engineering In EeA25 to 30%B40 to 50%C65 to 70%D85 to 90%Correct Answer: DPractice 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