Determine the heat transferred and the work done
Saturated water vapor in a closed sysytem is condensed by cooling it at constant pressure to a saturated liquid at 40KPa. Determine the heat transferred and the work done during this process, in KJ/Kg
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A cattle watering fountain has a free water surface with a size equal 0.6m x 0.3m, with the longer side being parallel to the prevailing wind. Wind at -23 C is blowing over the surface at 1 m/s.
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The water is then cooled until the piston is on the lower stops and the pressure of the water in the cylinder is 100kPa. Find the initial specific volume and specific internal energy of the water in the cylinder.
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The african elephant has developed the pinna or external ear that functions as a radiator-convector. The pinna can be modeled as a flat plat with air flow over it.
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The setup is such that pressure is proportional to volume, P= CV. It is now cooled until the water becomes saturated vapor. Sketch the P-v diagram and find the final pressure.
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