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← ScienceWhich consequence results when compressor inefficiency increases within Brayton cycle gas turbines?
A)Decreased turbine output power available✓
B)Increased exhaust gas turbine efficiency
C)Decreased compressor surge risk margins
D)Increased maximum cycle operating pressure
💡 Explanation
Higher compressor inefficiency raises the working fluid's entropy via adiabatic mixing which reduces net cycle work because energy that could perform work during turbine expansion is consumed overcoming entropy effects. Therefore, turbine output decreases rather than increasing turbine efficiency at a fixed inlet, it also reduces pressure margins making failures probable.
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