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← ScienceWhich efficiency decrease develops when regenerative cycles use irreversible compression?
A)Reduced heat exchanger temperature gradients
B)Increased exhaust turbine work output
C)Elevated cycle exergy destruction✓
D)Diminished steam generator firing rate
💡 Explanation
Elevated cycle exergy destruction occurs because irreversible compression raises the entropy within the cycle; thereby, energy is dissipated, and some power cannot be converted work rather than remaining available. Therefore, overall efficiency decreases.
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