A. 18% B. 23% C. 77% D. 79%
Home/Electrical Engineering (MCQs)/Power Plant Engineering In EE/The percentage O2 by Weight in atmospheric air is Power Plant Engineering In EE The percentage O2 by Weight in atmospheric air is A. 18% B. 23% C. 77% D. 79% Answer: Option B. Explanation: No answer description available for this question. Show AnswerDiscussion