A displacer is used to measure changes in liquid level. The liquid has a density of 33 lb/ft 3 . What is the diameter of the dispenser if a change in liquid level of 45 in produces a change in force...

A displacer is used to measure changes in liquid level. The liquid has a density of 33 lb/ft³
. What is the diameter of the dispenser if a change in liquid level of 45 in produces a change in force on the sensor of 3.2 lb?

A bubbler system requires a pressure of 47 kPa to produce bubbles at a depth of 200 in. What is the density of the liquid in pounds per cubic foot?