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← ScienceWhich consequence results from irreversibilities during a Carnot cycle operating between two finite heat reservoirs?
A)Decreased thermal efficiency overall cycling✓
B)Increased work output for cycle stage
C)Faster heat transfer for better time
D)Reservoir temperatures stabilize prematurely
💡 Explanation
When irreversibilities occur, entropy generation increases because heat transfer or expansion processes are not perfectly reversible, requiring more work to run than would be done when using ideal inputs, degrading thermal efficiency. Therefore reduced efficiency results, rather than increased work due to inefficiency, quicker transfer which demands reversibility over time, or premature reservoir stabilization that does not happen.
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