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Depends on the height. You gain approximately 0.4 psi for every foot of elevation; so at 10 foot elevation you will have ~4 psi.
The water pressure depends only on the depth, not on the size or shape of the vessel. The pressure increases at about 1 atmosphere (or bar) every 10 meters.
Pressure in seawater at 100 feet is 44 psi. Or, .44 pounds per square inch per 1 foot. For Fresh water, it is .43 psi per foot.
I presume you mean at a depth of 180 feet. Since the weight of a cubic foot of water is approximately 65 pounds, the weight of water on a square foot at that depth is 65 times 180, which is 11,700 pounds. That is the pressure per square foot. Since there are 12 x 12 or 144 square inches in a square foot, the pressure in pounds per square inch would be 11,700 divided by 144, or about 81. This is in addition to the barometric pressure, which is about 14 pounds per square inch, for a total of 95 psi.Answer 1It's not possible for a water tank to be 180 feet. One of its dimensions could be, however.Sadly, since we don't know which dimension it is, nor do we know the height ofthe tank or the depth of the water in it, nor do we know at what level or in whichdirection you want the pressure measured, there's no way at all to even begin towork on a solution to this question.
Applications * The underlying principle of the hydraulic press * Used for amplifying the force of the driver's foot in the braking system of most cars and trucks. * Used in artesian wells, water towers, and dams. * Scuba divers must understand this principle. At a depth of 10 meters under water, pressure is twice the atmospheric pressure at sea level, and increases by about 105 kPa for each increase of 10 m depth.