Question: A certain pressure cooker is designed to operate at 20 lb/in2 gauge. It is well known that an item of food will cook faster in

A certain pressure cooker is designed to operate at 20 lb/in2 gauge. It is well known that an item of food will cook faster in such a device because of the higher steam temperature at the higher pressure. Consider a certain item of food as a horizontal 4-in diameter cylinder at a temperature of 95oF when placed in the cooker. Calculate the percentage increase in heat transfer to this cylinder for the 20-lb/in2- gauge condition compared with condensation on the cylinder at standard atmospheric pressure.

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