Is tap water supplied under pressure or without pressure? !
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I heard a colleague say that. Could someone who understands explain it? Water supply pipes have no pressure – how does the water flow within them?
In some places the water pressure is high, while in others it is low; in all cases, the water is under pressure, with municipal water pressure typically ranging from 1 to 3 kilograms
Yes, otherwise how could it be transported?
Pressurization is necessary. What my colleague might be referring to is that in the past, tap water was stored in tall towers, and water was supplied by gravity rather than through pumps.