A. 21 B. 23 C. 25 D. 77
Home/Mechanical Engineering (MCQs)/Engineering Thermodynamics/On volume basis, air contains following parts of oxygen_____. Engineering Thermodynamics On volume basis, air contains following parts of oxygen_____. A. 21 B. 23 C. 25 D. 77 Answer: Option A. Explanation: No answer description available for this question. Show AnswerDiscussion