How does the water that comes out of our sink and shower faucets change temperature when we move the handle(s) back and forth? How does it know to go from hot to cold and visa versa?
In: Engineering
Hot water has a different source for you water which is the hot water heater.
When you turn the knobs on the faucet you are adjusting the volume of cold versus hot water that you use. That in turn is why you can control the temperature.
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