Question: An open feedwater heater in a regenerative steam power cycle receives 20 kg/s of water at 100C, 2 MPa. The extraction steam from the turbine

An open feedwater heater in a regenerative steam power cycle receives 20 kg/s of water at 100C, 2 MPa. The extraction steam from the turbine enters the heater at 2 MPa, 275C, and all the feedwater leaves as saturated liquid. What is the required mass flow rate of the extraction steam?

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