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← ScienceWhich outcome occurs when a heat engine operates without isothermal phase transition?
A)Reduced theoretical conversion efficiency✓
B)Higher maximum achievable torque
C)Increased heat rejection temperature
D)Improved fluid compression endurance
💡 Explanation
Reduced efficiency occurs because without isothermal transition, heat exchange isn't fully reversible, impacting the Carnot cycle. Carnot efficiency is highest with both, it's therefore lower without proper heat transfer, rather than impacting max torque or temperatures directly.
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