SpecialProblems3-4 - Special Problems for ME 200 - Spring...

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Special Problems for ME 200 - Spring 2011 Problems Due on January 21, 2011 SP3: The piston of a vertical piston-cylinder device containing air has a mass of 60 kg and cross-sectional area of 0.04 m 2 . The absolute pressure of the surrounding atmosphere is 0.97 bar and the local gravitational acceleration is 9.81 m/s 2 . g = 9.81 m/s 2 Patm = 0.97 bar m = 60 kg A = 0.04 m 2 Air (a) What is the absolute pressure (kPa) of air inside the cylinder? Suppose that 1000 J of heat is transferred to the cylinder until the volume of air inside the cylinder doubles. (b) Will the pressure of air inside the cylinder change? Why or Why not? (c) Will the temperature of air inside the cylinder increase, decrease, or remain the same? SP4:
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This note was uploaded on 04/23/2011 for the course ME 200 taught by Professor Gal during the Spring '08 term at Purdue University-West Lafayette.

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