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Which risk increases significantly as superheated steam progresses without adequate desuperheating in a turbine?

A)Blade erosion from moisture nucleation
B)Decreased turbine efficiency and power
C)Increased critical speed vibrations notably
D)Rotor imbalance due to thermal warping

💡 Explanation

Thermal warping risk increases because without desuperheating, differential thermal expansion occurs within the rotor via unequal heat distribution; therefore, warping predominates rather than efficient energy extraction from steam because substantial regions remain excessively cooler.

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