An ideal heat engine exhausting heat at 77^ C is to have a 30% efficiency. It must take…
Physics · JEE Main · NTA Exams — Kinetic Theory of Gases
An ideal heat engine exhausting heat at \(77^{\circ} \mathrm{C}\)is to have a 30% efficiency. It must take heat at
- \(127^{\circ} \mathrm{C}\)
- \(227^{\circ} \mathrm{C}\)
- \(327^{\circ} \mathrm{C}\)
- \(673^{\circ} \mathrm{C}\)
Answer
(B) 227^ C
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