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Which effect occurs when exceeding the design-limit temperature of a gas turbine?

A)Decreased turbine blade creep resistance
B)Increased compressor efficiency
C)Enhanced fuel nozzle atomization
D)Reduced turbine disc thermal stress

💡 Explanation

Exceeding the turbine's design temperature accelerates creep, which increases plastic deformation, because the increased thermal energy reduces the energy required for dislocations to move; therefore, creep resistance decreases rather than improves, because this surpasses operating range.

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