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Which outcome occurs when rapidly decreasing pressure on superheated water in a steam turbine?

A)Flash boiling induces rapid expansion
B)Steam temperature elevates by compression
C)Condensation minimizes pressure oscillations
D)Turbine blade corrosion prevents expansion

💡 Explanation

When pressure decreases rapidly, flash boiling occurs because the water, being above saturation temperature at the reduced pressure, rapidly undergoes a phase transition, forming steam and causing rapid expansion. Therefore, flash boiling induces rapid expansion, rather than temperature elevation, condensation, or prevented expansion, which require different thermodynamic processes.

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