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Which outcome occurs when a pressure cooker exceeds design pressure?

A)Sudden phase transition and rapid venting
B)Decreased cooking efficiency due to backflow
C)Uniform expansion causing structural deformation
D)Reversible material creep and slow leaking

💡 Explanation

A catastrophic failure may occur because the vapor pressure increases beyond the safety valve's capacity, leading to rapid vaporization of liquid water and a very fast phase transition due to rapid decompression; therefore venting may not happen controllably, rather than a gradual structural yield.

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