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← ScienceWhich consequence results when turbine blade erosion accelerates in a closed-cycle OTEC plant?
A)Reduced thermal energy conversion efficiency✓
B)Increased dissolved oxygen production rate
C)Elevated ammonia concentration in seawater
D)Decreased heat exchanger tube fouling
💡 Explanation
Increased erosion increases surface roughness, which disrupts **the Carnot cycle** temperature differential because it decreases heat transfer and overall efficiency. Therefore, conversion drops rather than increasing productivity or altering chemical balances due to internal leakage.
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