Quote: Engineering Design of Fridges

Fridges work by taking heat out of the box, by having a big heater on the back of the box, and have you ever wondered why a fridge has got a big heater on the back of it? It seems a weird thing to do but the temperate at the back of the fridge has got to be higher than the temperature of the kitchen in order to allow it to do work and take the heat out of the fridge. That’s how we work as well.

quote-cox

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