How much entropy was generated
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Study the turbine power output per unit initial mass, m1as a function of the pressure, P2.
Explain how the debt/equity ratio indicates the same relative long-term debt-paying ability as does the debt ratio, only in a different form.
Analyze an example with respect to the power input and the air it can deliver to the engine and estimate its isentropic efficiency if enough data are found.
A nozzle involves no actual work; how should you then interpret the reversible work? Can entropy change in a control volume process that is reversible?
The filling is done quickly, so it is adiabatic. How much mass of R-134a is in the cannister? How much entropy was generated?
Discuss how noncash charges for depreciation, depletion, and amortization can be used to obtain a shortrun view of times interest earned.
Air from a line at 1800 lbf/in.2, 60 F flows into a 20-ft3 rigid tank that initially contained air. What is the net entropy change for the overall process?
A steam turbine inlet is at 200 psia, 800 F. The exit is at 40 psia. What is the highest possible exit temperature? Which efficiency does that correspond to?
The inlet temperature is 1800 R, and it exhausts to the atmosphere. Find the required inlet pressure and the exhaust temperature.
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