MAE204_F11_HW7(1) - 3 initially contains air at 70 kPa and...

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MAE 204 HW#7: Due 11/1/11 Problems: 1. A rigid tank with a volume of 0.06 m 3 initially contains a saturated mixture of water at 1.5 MPa and a quality of 0.2. The tank is heated, and a pressure regulator at the top of the tank releases saturated vapor in such a manner that the pressure is maintained at 1.5 MPa. The final state has a quality of 0.5. Determine the mass that left the tank and the heat transfer. 2. A rigid tank with a volume of 0.75 m
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Unformatted text preview: 3 initially contains air at 70 kPa and 25 ◦ C. A small hole develops in the tank. The surrounding air at 100 kPa and 25 ◦ C slowly leaks into the tank due to the hole. Heat transfer between the surroundings and the tank maintains a constant air temperature of 25 ◦ C inside the tank. Determine the heat transfer. Book Problems from Chapter 5: 121, 122, 126, 145 Book Problems from Chapter 6: 21, 40, 50, 58, 78, 99...
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