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← ScienceWhich outcome occurs when irreversibilities increase in a Carnot heat engine cycle?
A)Reduced work output from entropy increase✓
B)Elevated hot reservoir temperature decline
C)Decreased cold reservoir temperature increase
D)Lowered engine friction from lubrication loss
💡 Explanation
When irreversibilities increase, such as friction or non-isothermal heat transfer, entropy generation occurs, reducing engine's ability to convert heat into work. Therefore reduced work output occurs, rather than reservoir temperature changes or friction reduction which are consequences of other thermodynamic processes.
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