1) Water flows through a hose and fills a 45 gallon drum in 7 minutes a) what is the volumetric flow rate in m³/sec ? Conversion you need: 1 m? = 264 gallons b) what is the mass flow rate in kg/sec ? c) if the hose has a diameter of 1.25 cm (note the units), what is the velocity of the water as it travels through the hose ? (Use continuity) d) Now you put nozzle on the end of the hose and it makes the outlet opening 1/3 of what it was.
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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