Which has the capability to produce the most work
Calculate the exergies of two closed systems, respectively; 1 kg of steam at 800 kPa and 180 °C, and 1 kg of R-134a at 800 kPa and 180°C. Which has the capability to produce the most work in a closed system? Take T0 = 25 °C and P0 = 100 kPa.
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A steam power plant has high and low pressures of 20 MPa and 10 kPa, respectively, and one open FWH operating at 1 MPa with the exit as saturated liquid.
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Calculate the exergies of two closed systems, respectively; 1 kg of steam at 800 kPa and 180 °C, and 1 kg of R-134a at 800 kPa and 180°C. Which has the capability to produce the most work in a closed system? Take T0 = 25 °C and P0 = 10
Assuming the air behaves as an ideal gas with cv= 0.72 kJ/kg-K, find (a) the mass of the air, (b) the final temperature of the air, and (c) the entropy produced.
Stray heat transfer with the surroundings and changes in kinetic and potential energy are negligible. What is the power required by the pump?
If the mean score was mean = 155 with a standard deviation of =15, what was the final exam score for Sue?
Sketch the areas under the standard normal curve over the indicated intervals, and find the specific areeas.
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Explain the risks of not reporting the results of your forensic assessment findings accurately. Provide specific examples.
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