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Problem 4. Superheated steam is adiabatically expanded in a turbine to produce shaft work.a. Write the condensed form of the general energy balance for a turbine. (Assume that kinetic and potential energies are negligible.) b. Given the following data, what is the shaft work produced by the turbine?

What is the efficiency of the turbine? (Hint: An adiabatic process is also an isentropic process.)

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