ME200_Exam2_Solution

# ME200_Exam2_Solution - First Name Solution Last Name CIRCLE...

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2 First Name Solution Last Name Problem 1 (30 points) Show all work to receive credit. (a) What is the density (kg/m 3 ) of methane at pressure of 27.85 bar and temperature of 181.45 K? (15 points) Using Table A-1 for methane: Molecular Weight, M methane = 16.04 kg/kmol Critical Temperature, T critical = 191 K Critical Pressure, P critical = 46.4 bar At P = 27.85 bar and T = 181.45 K: Reduced Pressure: 27.85 bar 0.6 46.4 bar R critical P P P  Reduced Temperature: 181.45 K 0.95 191 K R critical T T T Using Fig. A-1, compressibility factor: 0.7 Z and methane Pv Z R T Specific volume:  3 kJ 8.314 kmol-K 0.7 181.45 K kg 16.04 m kmol 0.0236 27.85 100 kPa kg methane methane R ZT ZR T M v PP 
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## This note was uploaded on 12/11/2011 for the course ME 200 taught by Professor Gal during the Fall '08 term at Purdue.

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ME200_Exam2_Solution - First Name Solution Last Name CIRCLE...

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