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Which outcome increases greatly when an ideal closed Brayton cycle compressor operates near 100% humidity?

A)Compressor blade tip ice formation
B)Turbine efficiency remains unaffected
C)Lower exhaust gas NOₓ formation
D)Increased intercooler heat rejection

💡 Explanation

Ice formation worsens compressor performance because water vapor phase change undergoes deposition to solid (ice) through nucleation causing blockage rather than smooth flow. Therefore blade icing increases compressor inlet pressure and thermal efficiency plummets, rather than exhaust temperature dropping or increased intercooler effectiveness.

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