quiz_1_04

# quiz_1_04 - 2.25 ADVANCED FLUID MECHANICS QUIZ 1 Fall 2004...

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2.25 ADVANCED FLUID MECHANICS Fall 2004 QUIZ 1 THURSDAY, OCTOBER 14, 2004, 7:00-9:00 P.M. OPEN QUIZ WHEN TOLD AT 7:00 PM THERE ARE TWO PROBLEMS OF EQUAL WEIGHT Please answer both questions in the same book Clearly showing where one question ends and another begins!

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2.25 Fall 2004 Quiz 1 Question 1 Hydrostatic Tank Indicators It is possible to use hydrostatic systems as tank level indicators and pressure valves (the most common example you may be familiar with is the “float valve” resting on the surface of a cistern in a flushing toilet). Here we consider two separate examples of hydrostatic indicators: 1A. A float level/pressure indicator This device can be used as an independent indicator of pressure in a rigid tank. It consists of an air-filled cylinder with a hemispherical top end and a free surface at the lower end. The radius of the cylinder is R and the total dry mass of the device assembly is m . The solid walls of the valve are rigid but very thin R h p Free surface and you may neglect the volume of fluid displaced by them. Typical initial values are R = 1 cm, h = 5 cm, m = 15 grams (including the air).
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quiz_1_04 - 2.25 ADVANCED FLUID MECHANICS QUIZ 1 Fall 2004...

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