A large container holds several liquid in different layers. The first layer from the surface has a specific gravity of 0.75 and it is 1.5m deep. The second layer has a specific gravity of O.85 and it is 2.75m deep and the third layer has a specific gravity of 1.03 and it has a depth of 3.5m. Determine the following: 1. The absolute pressure at the bottom given that standard atmospheric pressure prevails on the surface 2. The gage pressure at the depth of 3.25m from the surface. 3. If the container will hold a single liquid (s = 0.85) what will be its total depth in order for it to have the same pressure as part 1 given the same conditions
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
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