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Which consequence results when excessively heating the closed Rankine cycle?

A)Turbine blade creep rupture risk✓
B)Increased condenser vacuum efficiency
C)Enhanced feedwater pump cavitation
D)Improved overall cycle thermal efficiency

💡 Explanation

Overheating increases material stress inside the turbine due to thermal expansion because creep deformation accelerates exponentially with temperature; therefore, blade rupture becomes likely—rather than improved vacuum/efficiency—mainly affecting high-temperature stages.

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