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Cooling a pressure cooker

Student 3057 8 years ago updated by Physics Tutorial Center Staff 8 years ago 1

After cooking food in a pressure cooker, you are supposed to cool the container with cold water before removing the lid. Why is this necessary?

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These cookers have high temperature and pressures inside. By letting it cool, you let the pressure settle down as well. Right after it is "done" cooking it is dangerous to open