Question: An engine that operates on a Brayton cycle uses oxygen gas (diatomic molecules, (mathrm{O}_{2}) ) as the working substance. During the isobaric cooling, the temperature

An engine that operates on a Brayton cycle uses oxygen gas (diatomic molecules, $\mathrm{O}_{2}$ ) as the working substance. During the isobaric cooling, the temperature decreases by $85^{\circ} \mathrm{C}$. During the isobaric heating, the temperature increases by $100^{\circ} \mathrm{C}$. What is the maximum efficiency of this cycle?

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