Touchy Taps
Question: I have a shower hose that attaches to the hot and cold taps in my
bath. When I want to use the shower I turn on the hot tap fully and then, very
slowly, turn on the cold tap in the belief that the water temperature will
adjust slowly until it is just how I want it.
However, the temperature instead turns dramatically from the scalding hot to
the icy cold even though the adjustment is slow. Why is this and why does the
temperature not change gradually?
Answer: The hot tap on your bath is…



