Answer: In large steam power plants, the feedwater is
Chapter 5, Problem 5149(choose chapter or problem)
In large steam power plants, the feedwater is frequently heated in a closed feedwater heater by using steam extracted from the turbine at some stage. Steam enters the feedwater heater at 1 MPa and 2008C and leaves as saturated liquid at the same pressure. Feedwater enters the heater at 2.5 MPa and 508C and leaves at 108C below the exit temperature of the steam. Determine the ratio of the mass flow rates of the extracted steam and the feedwater.
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