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Get Full Access to Fundamentals Of Fluid Mechanics - 7 Edition - Chapter 1.79 - Problem 79
Get Full Access to Fundamentals Of Fluid Mechanics - 7 Edition - Chapter 1.79 - Problem 79

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A piston having a diameter of 5.48 in. and a length of

ISBN: 9781118116135 135

Solution for problem 79 Chapter 1.79

Fundamentals of Fluid Mechanics | 7th Edition

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Problem 79

A piston having a diameter of 5.48 in. and a length of 9.50 in. slides downward with a velocity V through a vertical pipe. The downward motion is resisted by an oil film between the piston and the pipe wall. The film thickness is 0.002 in., and the cylinder weighs 0.5 lb. Estimate V if the oil viscosity is 0.016 lb # s/ft2 . Assume the velocity distribution in the gap is linear.

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4.3.2 WILCOXON SIGNED-RANK TEST 1) Used for the differences between two samples. In this case we take the differences (D’s) and test the null hypothesis a. H :0Distribution of D’s is symmetric about the nullval∆e against the alternatives of D ▯ values tending to be smaller than▯ or D values tending to be larger...

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