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4 cards from this section. Quick, good the night before a test.
What is a manometer used for?
Think about how pressure is defined.
Name one type of manometer.
Recall the simplest form of a manometer.
What does a manometer measure?
Think about its primary function.
True or False: Differential manometers only measure absolute pressure.
Consider what 'differential' implies.
A U-tube manometer has two different liquids, one of density 800 kg/m³ and another of 1200 kg/m³. If the heights of the two liquids are 10 m and 5 m respectively, calculate the pressure difference between the two points it measures.
Remember to apply P = ρgh for each fluid.
Suppose a differential manometer connected to two points in a pipe system indicates a height difference of 0.3 m of water. Calculate the pressure difference in pascals assuming the density of water is 1000 kg/m³.
Use the hydrostatic equation well to relate height and pressure.
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