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TERMODINÀMICA (Curs Total)
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The entropy of water vapour flowing through the adiabatic, non-ideal turbine of a power production plant increases, decreases or remains constant?
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How do living beings overcome the restrictions imposed by the second law of thermodynamics?
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Plot the expansion process of a gas in a non-ideal turbine working between pressures Pi i Pf in the h-s diagram. Compare with the expansion in an isoentropic tribune and define the isoentropic efficiency of the non-ideal turbine.
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How much energy reaches Earth from the Sun by conduction or convection?
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What are the assumptions of standard air?
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Is it possible to build an engine that performs the Carnot cycle. If it is possible, why are they not used in real life?
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What is the propulsive power of a plane engine? How is it related to thrust?
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What is the physical significance of the area enclosed by the cycle plot in the p-v diagram? What is the physical significance of the area enclosed by the cycle plot in the T-s diagram?
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Write the Clausius inequality. State if it can be applied to irreversible refrigeration cycles
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What is the difference between a turbojet engine and a turboprop engine?
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