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Unformatted text preview: TEST 1 Fall 2006
Morning PROBLEM I (20 points) Outcome 2 A vessel having a volume of 1 m3 contains 4.0 kg of a liquid propane and propane
vapor mixture in equilibrium at a pressure of320 psia. Calculate a) The volume and mass ofliquid b) The volume and mass of vapor PROBLEM 2 (30 points) Outcome 2 A 1 m3 rigid tank with air at 1 MPa, 12? 0C is connected to an air line as shown in
the attached figure. The valve is opened and air ﬂows into the tank until the pressure
reaches 5 MPa, at which point the valve is closed and the temperature inside is 17'? "C. a) What is the mass of air in the tank before and after the process? b) The tank eventually cools to room temperature, 27 0C. What is the pressure
inside the tank then? Air
line Tank PROBLEM 3 (30 points) Outcome 2 A sealed rigid vessel of2 m3 contains a mixture of liquid and vapor of propane at
20 “C. If the mixture is heated to 60 “C, the liquid phase just disappears. Find the, a) pressure at 20 "C b) ﬁnal quality c) initial mass ofthc liquid in the vessel ff /
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 Spring '08
 Smith
 Dynamics

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