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← ScienceWhich outcome occurs when the turbine inlet temperature in a combined cycle power plant exceeds design limits?
A)Accelerated high-temperature creep occurs✓
B)Decreased stack nitrous oxide emissions
C)Increased thermal efficiency overall
D)Reduced risk of steam erosion
💡 Explanation
Accelerated creep occurs because thermal stress increases exponentially with temperature increase, inducing plastic deformation within the turbine material rather than elastic deformation alone; therefore creep accelerates because stress ruptures faster, not other listed outcomes.
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