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← ScienceWhich outcome occurs when regenerative feedback is disabled mid-cycle in a Rankine cycle steam turbine?
A)Cycle thermal efficiency decreases✓
B)Turbine blade stress reduces
C)Superheated steam temperature plummets
D)Condenser pressure irreversibly increases
💡 Explanation
Cycle efficiency declines because heat recovery from the turbine exhaust stops; the mechanism being reduced _heat regeneration_. Therefore less work occurs per unit fuel, rather than a blade or condenser change directly, absent other interventions.
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