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2 cards from this section. Quick, good the night before a test.
What does a manometer measure?
Think about what fluids and their heights tell us.
What is the formula for calculating pressure in an inverted U-tube manometer?
Remember the components of the formula related to pressure and density.
What is a primary function of an inverted U-tube manometer?
Recall the subject of fluid mechanics we're discussing.
True or False: The manometric fluid in an inverted U-tube must always be denser than the working fluid.
Consider the implications of fluid weight on pressure readings.
A hydraulic press measures a pressure of 150 kPa at point A. If the manometric fluid has a density of 850 kg/m^3 and the height difference measured is 0.2 m, what pressure is at point B if the atmospheric pressure is 101.3 kPa?
Apply the formula step by step and keep track of units.
If an inverted U-tube uses water as the working fluid but bubble gum flavored soda as manometric fluid (with density 1100 kg/m^3), how would you find the pressure difference with a height of 0.15 m? Assume atmospheric pressure remains 101.3 kPa.
Watch out for density differences; they're key!
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