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← ScienceWhich consequence results when a geothermal power plant's Rankine cycle operates below optimal turbine inlet pressure?
A)Increased working fluid condensation temperature
B)Reduced superheating of outgoing steam
C)Elevated parasitic load from deep pumps✓
D)Accelerated scaling within underground pipes
💡 Explanation
Elevated parasitic load results because lower inlet pressure reduces the cycle efficiency, requiring a greater mass flow rate of the geothermal fluid; therefore, the pumps consume more power to extract fluid from deeper and hotter zones, rather than achieving optimized system performance.
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