mid2_09 - BIL108E Introduction to Scientific and...

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Unformatted text preview: BIL108E Introduction to Scientific and Engineering Computing Spring09 Midterm Exam 2 April 11, 2009 1 . Evaluate x for the following function ( 29 ( 29 2 4 0.015 42 2 30 + =-- x x x 2. Pump manufacturers supply pump curves in a graphical or tabular form. To automate pipe system design calculations, it is advantageous to have a formula for the pump curve. Usually the following form is used to relate h to q. 2 1 2 3 h c q c q c = + + Use three data points, (1 4 10- ,115), (8 4 10- ,110), and (1.4 3 10- ,92.5), to determine 1 2 3 , , and c c c . 3. a) Fit a base-10 model, 10 bx y a = to the following data x 0.4 0.8 1.2 1.6 2.0 2.3 y 800 975 1500 1950 2900 3600 b) Plot the experimental data and fitted model on the same graph. Duration: 75 minutes BIL108E Introduction to Scientific and Engineering Computing Spring09 Midterm Exam 2 April 11, 2009 1. Van der Waals equation of state for an imperfect gas is ( 29 2 a P v b RT v +- = where P is the pressure (atm), v is the molal volume (L/mol), T is the absolute temperature (K), R is the gas...
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mid2_09 - BIL108E Introduction to Scientific and...

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