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Which outcome results when exceeding designed turbine blade stress limits?

A)Increased blade creep and yielding
B)Higher combustion efficiency occurs then
C)Decreased thermal loading elsewhere emerges
D)Fuel mixture becomes optimized

💡 Explanation

Exceeding turbine stress causes extensive blade creep because stress accelerates vacancy diffusion within the grain structure; therefore the material yields rather than maintaining its shape because of irreversible plastic deformation at high temperatures and stresses.

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