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← ScienceWhich outcome will result when an ideal closed-cycle gas turbine runs at excessively high ambient intake temperatures?
A)Compressor surge drastically reduces efficiency✓
B)Regenerator heat exchanger becomes more efficient
C)Intercooler condenses the working fluid
D)Turbine blade fatigue life increases marginally
💡 Explanation
Compressor surge reduces efficiency because the density of the intake air decreases with increasing temperature triggering an instability. This reduces the pressure ratio achieved within the compressor, therefore creating surge rather than normal gas compression. Because the gas pathways are disrupted by reversed flow, operation becomes inefficient.
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