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May 4, 2016 at 15:21 comment added Ecnerwal ...and the "boiling water" IN A PRESSURE COOKER AT 15 PSI will ALSO be at 250F. That's the way pressure works.
May 4, 2016 at 0:47 comment added ElmerCat I'm sorry, @Catija, but water boils at 212F/100C, changing phase to become steam. Ice is colder than water, and water is colder than steam. In a pressure cooker at 15psi, the temperature of the steam will be 250F. That's the whole point of using a pressure cooker — to get the steam up to a higher temperature. Even at atmospheric pressure, vegetables cook faster in a steamer than by boiling. This chart shows the temperature of steam as pressure increases - it starts out at 212F and goes up from there simetric.co.uk/si_steam_imp.htm
May 3, 2016 at 18:41 comment added Catija Steam is not hotter than boiling water.
May 3, 2016 at 18:31 comment added Laura P. BTW, Liquid TRANSFERS heat more evenly and quickly than steam.
May 3, 2016 at 18:16 history answered ElmerCat CC BY-SA 3.0