# Hw_2 - height 2 in Mercury is poured into the funnel to...

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Homework set #2 MMAE 310: Spring 2007 1. What is the absolute and gage pressure in container A at point a? Answer: P = 86.21 kPa absolute and -15.09 kPa gage. 2. An open tube is connected to a tank. The water rises to a height of 900 mm in the tube. A tube used in this way is a piezometer. What are the pressures P A and P B ? Are these gage or absolute pressures? Ans: P A = 2.94 kPa and P B =4.90 kPa Air

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3. What is the pressure difference between points A and B? 4. Consider the U-tube with one end closed and the other end having a funnel of
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Unformatted text preview: height 2 in. Mercury is poured into the funnel to trap the air in the tube. The tube is 0.1 inches in inside diameter and 3 ft in length. Assuming that the trapped air is compressed isothermally, what is h when the funnel starts to run over? Assume that only the air initially in the tube is compressed; that is, don’t assume that the air initially in the funnel is compressed. Ans: 0.895 ft Air Hg...
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