Determine the number of gallons needed to paint a water tank by calculating the surface area of the tank.
A column of water has 1 psi for every 2.31 feet of height. This simple bit of information allows us to easily calculate the level of water in a tank if we know the pressure at the bottom of the tank or, calculate the pressure at the bottom of the tank if we know the water level in the tank.
Water distribution math is not complicated, if you don’t let it intimidate you. Here’s a few pointers to help you prepare for, and ace, the math portion of your water distribution certification exam.