Engineering, 19.07.2019 20:20 mkeyes83
A150-ft^3 tank initially filled with air at 1 atm and 70ºf is evacuated by a device known as a vacuum pump, while the tank contents are maintained at 70ºf by heat transfer through the tank walls. the vacuum pump discharges air to the surroundings at the temperature and pressure of the surroundings, which are 1 atm and 70ºf respectively. determine the minimum theoretical work required, in btu.
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A150-ft^3 tank initially filled with air at 1 atm and 70ºf is evacuated by a device known as a vacuu...
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