scott <sco### [at] scottcom> wrote:
> >> it's also useful that 1 bar ~= 10 metres of water for quick estimations.
> >
> >  I didn't quite understand that.

> It's useful for quick estimations involving water (one of the most common 
> pressurised fluids you come across) because it's a multiple of 10.

> eg a water tank 4 metres above the tap, pressure at the tap is 0.4 bar.

> or, 2 bar coming into your house, what's the pressure at the valve in your 
> roof 6 metres up?  1.4 bar

  You mean that when you dive, each 10 meters of depth adds approximately
1 bar of pressure?

-- 
                                                          - Warp

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