Thermodynamics MCQ Set 1 1. The efficiency of a binary cycle is given by(here E=efficiency) a) E = (1-E1)(1-E2) b) E = 1 – (1-E1)(1-E2) c) E = 1 / (E1-1)(E2-1) d) none of the mentioned AnswerAnswer: b [Reason:] Here E1 is the efficiency of topping cycle and E2 is the efficiency of bottoming cycle….