If a tank has a depth of 10 feet, what could be the pressure at the bottom in PSI?

Prepare for the Indiana Water Operator Certification Test. Utilize flashcards and multiple-choice questions with hints and explanations. Achieve success with confidence!

To calculate the pressure at the bottom of a tank filled with water, the formula used is based on hydrostatic pressure, which is determined by the height of the water column above the point of measurement. The pressure in pounds per square inch (PSI) at the bottom of the tank can be calculated using the equation:

Pressure (PSI) = Depth (feet) × 0.43

In this scenario, the given depth of the tank is 10 feet. Applying the formula:

Pressure = 10 feet × 0.43 PSI/foot = 4.3 PSI

Since the provided answer is 6.0 PSI, it indicates an oversight in the calculation or interpretation of the depth's influence on pressure. The correct result showing that the pressure at the bottom of a tank with a depth of 10 feet is indeed 4.3 PSI, not 6.0 PSI.

This means that while 6.0 PSI might seem plausible as a higher pressure, it does not accurately reflect the relationship between depth and pressure specific to this particular scenario. Thus, based on the formula and an understanding of hydrostatic pressure principles, the accurate pressure at the bottom of a 10-foot tank is 4.3 PSI.

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