**1. The problem statement, all variables and given/known data**

ΔP = 1000 x 9.81 x (Orifice pressure drop in m)

Pressure drop across orifice = 470.72 Pa

**2. Relevant equations**

**3. The attempt at a solution**

I am not sure how this works. How can pressure be converted to meters? It does not make sense to me.

Any help would be much appreciated

Thanks

Scott

http://ift.tt/1gennPG