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← ScienceWhich consequence results when a pressure cooker's relief valve fails during use?
A)Rapid and forceful steam explosion✓
B)Internal pressure equilibrium is maintained
C)Uniform cooling across the contents
D)Slower heat transfer throughout the food
💡 Explanation
A blocked valve prevents controlled depressurization, raising internal pressure drastically. Latent heat overwhelms the vessel causing a rapid chain reaction releasing steam via explosive boiling, a phenomenon called Phase Explosion, because the water transforms to vapor too quickly, therefore steam explosion occurs rather than a controlled pressure release.
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