Engineering Online MCQ Number 0636 – online study, assignment and exam

Multiple choice question for engineering Set 1 1. Energy out and Energy in of a system are 10 J and 25 J respectively, what is the efficiency of the system? a) 10% b) 40% c) 50% d) 80% AnswerAnswer: b [Reason:] Efficiency = 10/25*100 = 40%. 2. Energy out and Energy in of a system…


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