a plant has a 30ft high water tank mounted on top of a70ft platform.whatis the water level in the tank,measured in feet,if a pressure gage on the first floor,height 5ft,reads 40psi
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| 10/11/2017, 2:58 PM | elevated water tank level |
| 01/31/2018, 4:37 PM | Re: elevated water tank level |