Current Attempt in Progress Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 12 MPa, 480°C, and the condenser pressure is 8 kPa. Steam expands...

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Extracted text: Current Attempt in Progress Water is the working fluid in an ideal Rankine cycle with reheat. Superheated vapor enters the turbine at 12 MPa, 480°C, and the condenser pressure is 8 kPa. Steam expands through the first-stage turbine to 1.2 MPa and then is reheated to 480°C. Assume the pump and each turbine stage has an isentropic efficiency of 85% and 92%, respectively. Determine for the cycle: (a) the rate of heat addition, in kJ per kg of steam entering the first-stage turbine. (b) the thermal efficiency. (c) the rate of heat transfer from the working fluid passing through the condenser to the cooling water, in kJ per kg of steam entering the first-stage turbine. (d) the back work ratio. Understand Rankine cycle To solve the problem, do you: O Analyze each component as a control volume at steady state? O Analyze each component as a closed system at steady state? O Analyze each component as a transient control volume since steam is flowing through it? O None of the answers given.